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Which diagram shows an oceanic-oceanic convergent boundary? describe what occurs at this type of plate boundary

when levels of certain aerosols increase or ash from large volcanic eruptions stays in the atmosphere for extended periods of time, some solar energy can be blocked from reaching earth's surface and can cause average global temperatures to decrease. this is a process called global cooling.

What is global cooling?

An imminent cooling of the Earth that would result in a period of severe glaciation due to the cooling effects of aerosols or orbital forcing was hypothesized, particularly during the 1970s. The scientific literature of the 1970s was largely more concerned with warming from an increasing greenhouse effect, but some journalistic reporting in that decade speculated about continued cooling.

The few temperature series that were available in the middle of the 1970s indicated that the temperature had been dropping for several decades prior to that point. It became evident that the average global temperature had significantly increased as longer time series of higher quality became available.

Scientists began to realise, by the 1970s, that estimates of world temperatures indicated cooling since 1945 as well as the potential for significant warming brought on by greenhouse gas emissions. Less than 10% of the scholarly articles that examined 21st-century climate trends tended to forecast future warming, while the majority expected future cooling. A 25% rise in atmospheric carbon dioxide over the 150 years from 1850 to 2000, together with a corresponding warming trend, was predicted by Science News in May 1959, despite the fact that the general public was mostly unaware of the effects of carbon dioxide on the climate. The actual growth during this time was 29%. Paul R. Ehrlich noted in 1968 that the cooling impact of aerosols was being countered by global warming from greenhouse gases.

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The great lakes are important to both the United States and Canada because:

Tens of millions of Americans and Canadians get their water from them. The economies of both nations rely on the great lakes to support activities such as industry, farming, transportation, tourism, recreation, and energy production.

The many indigenous peoples in the area place tremendous cultural value on the health of the great lakes. Some tributaries of the great lakes were utilized for years to dispose of waste and other byproducts of economic growth as well as deteriorating infrastructure in order to accommodate these byproducts.

Industrial waste was commonly buried or dumped into wetlands and nearshore seas, while liquid waste was sometimes poured straight into streams and lakes. Solid garbage was frequently deposited into marshes.

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Answer:

can u elaborate more

but try this website https://modernclassroom.co.za/geography-grade-11-2020-previous-papers-and-memos/

Explanation:

Since 1880, the global temperature of the Earth has risen by 0.14° F (0.08° C) per decade, but since 1981, the pace of warming has increased by more than twice that, to 0.32° F (0.18° C) per decade.

According to NOAA's temperature data, 2021 was the sixth-warmest year ever. According to the results of numerous climate model simulations, the average global temperature of our planet might be 2 to 9.7°F (1.1 to 5.4°C) higher in 2100 than it is right now. Carbon dioxide and other "greenhouse" gases produced by human activity are the primary causes of this temperature rise. The average temperature of the entire planet has risen by about 1 degree Celsius (1.7 degrees Fahrenheit) since 1880. By 2050, it is expected that the world's temperature will have risen by about 1.5 degrees Celsius (2.7 degrees Fahrenheit). By 2100, temperatures will range from 3.6 to 7.2 degrees Fahrenheit (2-4 degrees Celsius). The unusually quick rise in the average surface temperature of the Earth over the past century is known as global warming, and it is primarily caused by greenhouse gases that are released when people burn fossil fuels.

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The warm air that is "feeding" the thunderstorm may also come into touch with that gust front. The warm air is moving over and up as the cold gust front moves out and down.

This may result in a swirling effect that gives the shelf cloud a foreboding appearance. Others refer to them as roll clouds. Light rain or light winter precipitation is possible before and as the front passes if it is warm. Expect clearer sky, warmer temperatures, and higher relative humdities after the front. The Southeast region of the United States experiences thunderstorms the most, particularly along the Gulf Coast from Louisiana to Florida. The rest of the Southeast United States, as well as the Great Plains (more than 50 days), also have a considerable amount of thunderstorm activity. average number of thunderstorms each year). When warm, humid air rises into cold air, thunderstorms are created. As the heated air cools, condensation occurs, which is the formation of tiny water droplets from water vapor. The atmosphere's cooled air sinks, warms, and then rises once more. The air is warmer in front of the front than it is in the cold air mass behind the front. When a cold air mass pushes into a warmer air mass, a cold front is formed. Weather patterns can be drastically altered by cold fronts.

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Answer:

The unsuccessful August 1991 coup against Gorbachev sealed the fate of the Soviet Union. Planned by hard-line Communists, the coup diminished Gorbachev's power and propelled Yeltsin and the democratic forces to the forefront of Soviet and Russian politics.

Explanation:

Ayatollah Khamenei controls the legislative, judicial, and executive branches of Iranian culture. The other leader of Iran is the president who ranks after Khamenei (Supreme Leader).

The Islamic Republic of Iran's head of state and supreme political and religious authority is Ayatollah Khamenei, also known as the Supreme Leader (above the president). The Supreme Leader is in charge of the military, the judiciary, state television, and other important government agencies like the Guardian Council and Expediency Discernment Council.

The Supreme Leader specifies the overall policies of the Islamic Republic, according to the constitution. The Islamic Republic of Iran's president serves as the country's head of state.

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Australia is a world-class provider of education and tourism, professional services, financial services, energy and mining-related services, and environmental services. Australia prioritizes these industries in order to enhance access to overseas markets.

Australia's most valued export is iron ore, which is followed by coal, gold, and hydrocarbon. These exports alone generate $48.2 billion, $47 billion, $29.1 billion, and $20.3 billion. Of course, the state also ships other notable things such as food, wine, and automobiles. These exports help to sustain Australia's economy thus improving its well-being.

Goods are often tangible goods such as pens, actual books, salt, apples, and caps. Services are actions performed by others, such as architects, suppliers, and contractors.

Computers, furniture, phones, bags, and apples are examples of products. Therapy sessions, babysitting, surgeries, home cleaning, haircuts, and legal guidance are examples of services.

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The likelihood of lake-effect snow high water temperature and low air temperature.

What is the lake effect snow ?

Throughout the Great Lakes area in the late fall and winter, lake effect snow is typical. When cold air—often from Canada—moves across the open waters of the Great Lakes, snow is produced as a result. Warmth and moisture are transported into the lowest part of the atmosphere as the cold air travels over the Great Lakes' unfrozen and somewhat warm waters. A tight band of clouds grows as the air rises, dumping two to three inches of snow per hour or more.

Which places may see lake effect snow depends heavily on wind direction. While the sun may be shining just a few miles distant in any direction, it may be snowing heavily in one area while shining brightly in another.

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An upright open symmetrical fold forms, an inclined asymmetrical fold forms, an overturned fold forms, a recumbent fold forms, a thrust fault forms, a large-offset thrust sheet develops a nappe.

A rock sheet called Nappe is one that has been transported far from its initial location by tectonic pressures. A thrust sheet or similar block of rock that has moved more than 2 km from its original location as a result of tectonic processes is what is referred to as this phenomenon.

Tectonic movements: what are they?

According to the widely recognised scientific hypothesis known as plate tectonics, the Earth's lithosphere is made up of many sizable tectonic plates that have been steadily moving for nearly 3.4 billion years.

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Hawaiian eruption exhibit an explosion or fountain of basaltic lava from a single vent

What is Hawaiian eruption?

Because it is typical of Hawaiian volcanoes, a Hawaiian eruption is a particular kind of volcanic eruption in which lava flows out the vent in a relatively calm, low-level explosion. Typically, these are effusive eruptions with basaltic magmas that are hot near the vent, low viscous, and low in gases. Volcanic ash is only occasionally produced. This kind of eruption can happen close to subduction zones and rift zones, although it most frequently happens at hotspot volcanoes like Kilauea and Iceland. On Surtsey from 1964 to 1967, molten lava flowed from the crater to the sea as another example of Hawaiian eruptions.

Hawaiian eruptions can happen along fissure vents, as they did during the 1950 eruption of Mauna Loa Volcano, or at a central vent, as they did in 1959 during the Kilauea Iki Crater eruption, which produced a lava fountain 580 metres high and constructed a 38-meter cone known as Pu'u Puai. Lava spurts from a fissure on the rift zone of the volcano feed lava streams that flow downslope during fissure-type eruptions. Lava fountains can erupt from core vent eruptions to a height of 300 metres or higher.

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In cross-sectional view, they show cross beds of sand is the statement about sand dunes which is true .

What is Sand dunes ?

Sand that has been moved by wind or water forms dune landforms. Usually, it resembles a mound, ridge, or hill. A dune system or dune complex is a region having dunes. A huge dune complex is referred to as a dune field, whereas ergs or sand seas are vast, flat areas covered with wind-blown sand or dunes with little to no vegetation. Although dunes come in a variety of sizes and forms, most dunes have a longer stoss (upflow) side where sand is forced up the dune and a shorter slip face on the lee side. A dune slack is a valley or dip between dunes.

The environments with the highest density of dunes are deserts, where a lack of moisture prevents the growth of vegetation that would otherwise obstruct the formation of dunes. Sand deposits, however, are not only found in deserts; dunes can also be found along seashores, by semiarid climate streams, in glacial outwash basins, and in other places where poorly cemented sandstone bedrock crumbles to produce a plentiful supply of loose sand.

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200oC  is the approximate maximum temperature range for the formation of metamorphic rocks.

How are metamorphic rocks formed ?

Rocks that undergo metamorphosis are created when heat and pressure transform the original or parent rock into a whole new rock. Sedimentary, igneous, or even another metamorphic rock can serve as the parent rock. The Greek root of the term "metamorphic" means "To Change Form."

At subduction zones, the descending rock strata have two effects that lead to metamorphism: first, the shearing of the plates as they pass one another changes the rocks that come into touch with the descending rocks. Because of this friction, some of the rock will melt as it descends. Rock that melts is classified as igneous rather than metamorphic, however rock close to the melting rock may undergo metamorphism due to heat.

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This process is called Evapotranspiration where the water reaches the atmosphere.

What is Evapotranspiration?

Evaporation plus transpiration equals evapotranspiration.

Water evaporates from the land, and surfaces, and transpires, or is released, from plants, and returns to the atmosphere as the sun heats the Earth's surface. The term for this combined process is evapotranspiration.

Evapotranspiration can be viewed as precipitation's antithesis: Evapotranspiration is water that departs the land surface and returns to the atmosphere as water vapour, as opposed to water falling from the atmosphere to the land. Evapotranspiration water eventually condenses in the sky, forms clouds, and precipitates back to the Earth in other places.

The second-largest part of the water cycle, Evapotranspiration, provides crucial data for managing water on a bigger scale as well as deciding how much irrigation water to apply to areas.

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Based on sociocultural context, the alternative divisions of British India into independent countries can be based on geographical location and linguistic reasons.

National identity is a term that is used to describe the identity of the citizens of a country usually based on peculiar historical and cultural traditions, moral values, ideals, beliefs, and national sovereignty, among others.

Given the peculiarity of British India, the alternative means by which it can be divided into independent countries aside from Religion include the following:

Some other means by which British India can be divided into different countries include the following:

Hence, in this case, it is concluded that the correct answer is the geographical location and linguistic reasons.

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The metamorphic textures in order of increasing metamorphic grade are:

The texture of metamorphic rocks can be either granular or foliated. This time we will only discuss the foliation texture. Foliation is a collection of planar minerals, or concentrations of minerals, especially planar structures resulting from the flattening of mineral grains, such as mica.

Most metamorphic rocks are formed due to the influence of stress in a certain direction. Therefore, we can observe a striking directional texture. Foliation itself can appear subtle or obvious depending on the degree of metamorphism.

As temperature and pressure increase, a foliated texture develops in the following sequence.

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Surface mining is where miners bulldoze the tops of mountains in order to extract coal from the rock .

What is Surface mining ?

In contrast to underground mining, when the underlying rock is left in place and the mineral is extracted by shafts or tunnels, surface mining refers to a broad category of mining practices that includes strip mining, open-pit mining, and mountaintop removal mining.

This technique was first applied in the middle of the 16th century in North America, where the bulk of surface coal mining takes place, and is being employed today in the mining of many other minerals.] Surface mining became more common in North America over the 20th century, and today surface mines provide the majority of the coal produced in the United States.

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Answer:  The correct answer is surface mining

Explanation:  This answer was confirmed correct.

Surface mining uses bulldozers, cranes, and other surface removal equipment to clear mountaintops for mining just below the surface.

WINTER

Winter occurs in the northern hemisphere (North America) when the North Pole is tilted away from the sun. This is seen in the image of the Earth to the right. It is winter because it does not receive as much direct sunlight.

Since the tilt of the axis is 23 1/2 degrees, the North Pole rarely points directly at the Sun. However, at the summer solstice, it points as close to the Sun as possible, and during the winter solstice, it points as far away as possible. In the spring and fall, the earth's rotational axis points 90 degrees away from the sun, halfway between these two seasons.

FURTHER INFORMATION

People frequently believe that the seasons are caused by the Earth's changing distance from the sun. This is a fallacy because the Earth's orbit is only slightly elliptical and our planet maintains a roughly constant distance from the sun throughout the year. When the Northern Hemisphere is experiencing summer, Earth is actually a little further from the sun. Whichever hemisphere is inclined toward the sun (the Northern or Southern Hemisphere) receives more direct rays of sunlight (or rays that are closer to a perpendicular or 90° angle).

Additionally, the hemisphere inclined toward the sun has more daylight hours than the hemisphere tilted away from the sun. The combination of more direct sunlight and longer daylight hours allows the hemisphere inclined toward the sun to receive more solar energy and have higher temperatures.

Latitudes between the equator and 90°N (the North Pole) experience summer when the Northern Hemisphere is turned toward the sun. The Southern Hemisphere is tilted away from the sun and experiencing winter at the same time.

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b. being subject to natural and human-induced desertification

What is Desertification?

The process of reducing the biological productivity of drylands due to natural or human factors is known as desertification, sometimes known as desertization (arid and semiarid lands). Climate change, deforestation, overgrazing, poverty, political unrest, unsustainable irrigation techniques, or combinations of these variables may all lead to decreases in productivity. The idea refers to multiple processes that endanger all dryland ecosystems, including deserts, grasslands, and scrublands, rather than the actual physical growth of already-existing deserts.

Climate change and inappropriate land-management practices in dryland regions are the main contributors to desertification. Arid and semiarid habitats are by definition characterised by infrequent or erratic rainfall. Thus, climatic changes that cause prolonged droughts, for example, might drastically lower the biological productivity of certain ecosystems. These changes could be fleeting, lasting barely a season, or they could linger for many years or even decades. The productivity of plants and animals, however, can quickly increase during wetter times because they are quick to capitalise on these conditions.

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Answer:

 The planet orbits closer to the Sun than the Earth does.

Option d. all of these are the correct

What are supercell thunderstorms?

Moderate to strong vertical speed and directional wind shear in the 0-6 km layer; typically a "curved" hodograph in the lowest 0-3 km and a straight line above dynamic process important leading to a steady-state storm. Large severe storm occurring in a significant vertically-sheared environment; contains a quasi-steady, strongly rotating updraft (mesocyclone) that typically moves to the right of the mean wind.

The supercell, which frequently produces strong winds, big hail, and persistent tornadoes, is perhaps the most destructive type of convective storm. In its most basic form, it consists of a single, essentially constant spinning updraft and its corresponding downdraft, which may last for several hours. It frequently develops from multicell storm systems, and even in its quasi-steady phase, it could have a number of minor rain centres that are enmeshed inside a larger, all-encompassing cellular structure. However, it appears that the supercell is dynamically distinct from regular convection based on its overall structure and course of evolution.

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Climate changes can act to directly influence species distributions .

What are the major causes of climate change ?

Earth's temperature and the climate are being affected more and more by the burning of fossil fuels, logging forests, and raising animals.

The greenhouse effect and global climate change are increased as a result of this large addition of greenhouse gases to the already present ones in the atmosphere.

Co2 and other greenhouse gas emissions are released into the atmosphere by people, which results in climate change. More carbon dioxide is present in the atmosphere now than at least the previous 2 million years. The amount of carbon dioxide increased by 40% during the 20th and 21st centuries.

Since the Industrial Revolution, we've started adding ever more greenhouse gases to the atmosphere, trapping even more heat. The greenhouse effect is raising Earth's temperature instead of maintaining a comfortable, constant level of warmth.

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In sub-Saharan Africa, teenage girls and young women account for 25% of new HIV infections.Women account for 56% of infections among adults, which is a result of gender disparities, limited access to healthcare and educational opportunities, and poverty, among other factors.

According to the WHO, reducing new infections will require increased condom usage, long-lasting initiatives to promote changes in sexual behavior, accessible means of infection prevention in high-risk populations, and extended mother-to-child transmission prevention therapies.

All things considered, maintaining the advancements Africa has made thus far and achieving the world's development goals will depend on targeted policies, strong leadership from governments and civil society, and involvement of individuals living with HIV.

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Answer:

Your answer should include information about the Global Fund, which is the international fund developed in 2001 to raise money to fight HIV/AIDS, Tuberculosis (TB), and malaria.

Your answer should include information about the President's Emergency Plan for AIDS Relief (PEPFAR), which started in 2003 and has raised billions of dollars to combat AIDS, TB, and malaria in Africa and other countries.

Your answer could provide information about the supply of preventative care, such as funding for or shipments of condoms and antiretroviral drugs.

Explanation:

this is the answer from edmentum (not a full answer)

In a population, disease spread is a factor that is dependent on density. Factors that are reliant on a region's population are known as density dependent factors.

The relationship between density and the factor under study can be seen through density dependence. For instance, there is typically an inverse, linear relationship population between population growth rate and density, meaning that as density rises, the area's population will begin to decline disease. This may happen if individuals compete with one another or if predators become more effective as prey populations rise. The Disease, competition, and predation are examples of factors that depend on density. The population size can be correlated positively or negatively with density-dependent parameters. Epidemics and pandemics are density-dependent factors because they exhibit a linear relationship with  population density.

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Answer:

Wetness and Rainfall

Explanation:

Their are three types of tropical climates (Tropical Wet,Tropical Monsoon and Tropical Wet-Dry Savanah).Each are similar but vary from Humidity and Rainfall.

Uniformitarianism is the name of the theory

What is Uniformitarianism?

The theory of uniformitarianism was developed by Charles Lyell in the 19th century and is based on the writings of James Hutton. According to Uniformitarianism, the forces and processes that can be seen at the surface of the earth are the same ones that have sculpted the planet's terrain throughout natural history.

Erosion, deposition, compaction, and uplift are the four processes that are mentioned above as sculpting the ground. These processes happen at incredibly slow rates even though they are constant. Hutton, a farmer, understood that erosion rates were so slow that it would take an impossibly long time to see significant changes in the Earth's landscape.

Furthermore, according to Uniformitarianism, these processes have continued throughout the course of nature. In 1his book Theory of the Earth, James Hutton states, "We find no evidence of a beginning - no hope of an end." The idea that the Earth must be so incredibly old that the mind cannot even begin to estimate its length was first put forth by Hutton.

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Answer:

Over the last 400,000 years the Earth's climate has been unstable, with very significant temperature changes, going from a warm climate to an ice age in as rapidly as a few decades. These rapid changes suggest that climate may be quite sensitive to internal or external climate forcings and feedbacks.

The possible causes of temperature changes years ago are a decrease in forests and in melting of ice sheets.

The causes of temperature rises in today's time are increases in greenhouse gases which are depleting the ozone layer causing direct emission of ultraviolet rays into the planet and causing a rise in temperature.

The greenhouse gases are incresing due to day to day operations performed by an individual in their daily lives which causes harm to the temperature.

The best solution is minimizing the use of technology which causes an increase in greenhouse gases and adopting eco-friendly lifestyles. Encouraging plantations and afforestation help to increase vegetation which helps in mainatining the balance of the planet.

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The tropical zones and the temperate zones are as follows

Generally, The tropics are a group of places on Earth that may be found more or less near the geographic center of the planet.

The region of the tropics that may be found between the Tropic of Cancer and the Tropic of Capricorn in terms of latitude.

In conclusion, The equator and some latitudes in North America, South America, Africa, Asia, and Australia are considered to be part of the tropics.

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A continental polar air mass moves into an area. based on the characteristics of this type of air mass, The temperature will decrease and humidity will increase.

What is continental polar air mass?

Additionally, air masses are classified according on whether they occur over land or sea. Maritime air masses are humid and originate over water. Dry continental air masses are produced over land.

Because it is cold and dry, the air mass that forms over northern Canada is known as a continental polar air mass. A maritime tropical air mass is one that develops over the Indian Ocean and is warm and humid.

On weather maps, air masses are categorized using two or three letters.

The amount of moisture in the air mass is denoted by a lowercase letter: m for marine (moist) and c for continental (dry).

E for equatorial, T for tropical, M for monsoon, P for polar, A for Arctic or Antarctica, and S for superior—a special circumstance with dry air generated by a strong downward motion of the atmosphere—are uppercase letters that describe the heat of the air mass.

The relationship between the earth and the air mass is represented by a lowercase letter: While w denotes an air mass that is warmer than the ground below it, k denotes an air mass that is colder than the ground.

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Answer:

You got this! Determine which equation is false, based on the solution set S:{4}.

3t = 12

3m + 7 = 14

4(4c + 1) = 68

9 = 5p − 11

Explanation: