During metamorphism, changes in the bulk composition of a rock occur primarily as a result of reaction with hydrothermal fluids.
What is the process of metamorphism ?
Earliest metamorphic, sedimentary, or igneous form. When rocks are exposed to extreme temperatures, high pressures, hot mineral-rich fluids, or, more frequently, any combination of these conditions, metamorphic rocks are created. These kinds of conditions can be found deep below the Earth or when tectonic plates collide.
The process of metamorphism changes the rocks into denser, more compact rocks rather than melting them. Either by the rearranging of mineral constituents or through chemical interactions with fluids that enter the rocks, new minerals are produced. Even rocks that have already undergone metamorphosis might undergo changes due to pressure or temperature. Rocks subject to metamorphism are frequently crumpled, smeared, and compressed. Metamorphic rocks do not grow hot enough to melt because if they did, they would turn into igneous rocks.
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lava flows on the moon and mercury created large smooth plains. we don't see similar features on earth because:
We don't see similar features on earth because of tectonic plate movement, wind, rain and water.
How does tectonic plates affect flow of lava on earth ?
Some of the oceanic plate melts as it sinks deeper into the mantle. The mantle above the plate melts as a result of this material moving into it. Due to its lower density compared to the surrounding rock, this liquid rock known as magma rises to the surface. A volcano develops if the magma touches the Earth's surface.
At a divergent plate boundary, plates rip apart, resulting in volcanic activity and shallow earthquakes; and. One plate "subducts" beneath the other at a convergent plate boundary, causing a line of volcanoes on the overriding plate and a variety of earthquakes.
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what impacts will sea level rise have on the population density and native vegetation and wildlife at this location?
The main physical effects of a rise in sea level are beach erosion, water body erosion, inundation of deltas, flooding, and the loss of many marshes and wetlands.
In coastal aquifers and estuarine systems, increased salinity will probably become a concern as a result of saltwater intrusion.
Numerous variables can alter sea levels, which are known to have changed significantly throughout geological time spans. The primary driver of the current rise in sea level is human-caused climate change. Mountain glaciers and polar ice caps melt as a result of rising temperatures, adding more water to water bodies. In general, the phrase "above sea level" refers to heights above mean sea level (AMSL).
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Answer:
The vitally actual impacts of an ascent in ocean level are ocean side disintegration, water body disintegration, immersion of deltas, flooding, and the deficiency of numerous bogs and wetlands.
Explanation:
In waterfront springs and estuarine frameworks, expanded saltiness will likely turn into a worry because of saltwater interruption.
Various factors can modify ocean levels, which are known to have changed essentially over the course of land stretches of time. The essential driver of the flow ascend in ocean level is human-caused environmental change Mountain ice sheets and polar ice covers soften because of climbing temperatures, adding more water to water bodies disintegration,. As a rule, the expression "above ocean level" alludes to levels above mean ocean level (AMSL)
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when occurring in the atlantic ocean they are known as hurricanes. what are they known as when occurring in the western pacific? group of answer choices tropical breezes typhoons cyclones tsunamis
When occurring in the western pacific they are known as typhoons.
What is the difference between a typhoon and a hurricane?Between typhoons and hurricanes there is a difference, the difference between the two occurs in different ocean basins.The disturbance must exhibit circular circulation and wind speeds of at least 119 km per hour or 74 mph in order to be classified as a hurricane.Hurricanes known as cyclones in the Indian Ocean, including the Bay of Bengal and Arabian Sea.The approximate diameter of a mature hurricane is about about 600 km.When fully grown, hurricanes can release a tremendous amount of energy. One cyclone can produce thermal energy equivalent to a 10 megaton nuclear bomb bursting every 20 minutes. Additionally, they are substantially larger than other powerful storms like tornadoes. However, they also form a vital part of the vast and intricate natural system that enables us to thrive on our planet.Learn more about hurricane here: brainly.com/question/14836473
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how does the un framework convention on climate change aid cooperation on the reduction of greenhouse gas emissions?
The UN framework convention on climate change aid cooperation on the reduction of greenhouse gas emissions by ensuring repeated interactions between states.
What is the definition of climate change?Climate change is defined to be the a shift in the average weather in a place over many years. The rapid climate change that we are now seeing is caused by humans using gas, oil and coal for their factories, transport, and homes. When the fossil fuels burn, they release greenhouse gases, which consists mostly of carbon dioxide. The greenhouse gases trap the heat from the Sun and cause the planet's temperature to rise.
Extreme weather is one of the impact of rapid climate change, in addition to extreme temperature.
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what is the approximate elevation at grid location 7-i?
Answer:
140 FEET
Explanation:
By calculating the slope using the trigonometric formula the 1/10 goes down a letter per number and therefore the height ends up being 140 feet
Describe the cyclic patterns of lunar phases and eclipses of the Sun and moon. (MAKE IT A PARAGRAPH LONG) (5+ Sentences)
Our Moon reflects rather than shines. The Moon is illuminated by sunlight in the same way that it is here on Earth during the day. We just don't always notice it.
A new Moon is formed when sunlight strikes the Moon's far side, which we cannot see without the assistance of a spacecraft from Earth. A full Moon occurs when sunlight reflects off the near side.
The rest of the month, we see portions of the Moon's daytime side, or phases.
These eight phases are: new Moon, waxing crescent, first quarter, waxing gibbous, full Moon, waning gibbous, third quarter, and waning crescent, in that order. The cycle occurs once a month (every 29.5 days).
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explain the difference between temperatures and physical characterisitics of mafic and felsic lava flows
Mafic lava flow:
Extremely hot temperature (> 950°C)Lower viscosity (flows easily).Felsic lava flow:
Temperatures are around 650°C to 750°C.Higher viscosity (looks thick and gooey).Lava flows are the stream of molten rock that pours out of an erupting vent. Mafic and felsic lava flows are two of the four types of lava based on the silica content.
Felsic lava has high silica content (greater than 63%) which results in more viscous lava. It tends to erupt explosively because of that.Intermediate or andesitic lava has around 52% to 63% silica content. It's less viscous than felsic lava, but has a hotter temperature.Mafic or basaltic lava has lower silica content, around 45% to 52%. It's much less viscous, and can flow for long distances from the vent before it solidifies.Ultramafic lava has silica content lower than 45%.Learn more about lava flows https://brainly.com/question/8808433
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What factors contribute to soil fertility?
Factors contributing to fertility of soil are mineral contents, soil pH, grass texture and organic substances.
Soil Fertility Determinants
The soil's fertility is impacted by the following factors:
Mineralogical Makeup
The soil's mineral makeup aids in predicting how well it will hold onto plant nutrients. The quality of the soil can be improved by using the right fertilizers and manures.
soil pH
The pH of the soil contributes to keeping the soil's nutrients available. The ideal pH range for soil fertility is in the range of 5.5-7.
Grass Texture
The minerals of various sizes are in charge of preserving the soil's structure. Because it can hold onto more nutrients, clayey soil functions as a nutrient reservoir.
Organic Substance
A source of nitrogen and phosphorus is organic materials. These can be turned into minerals and given to the plants.
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Using Figure 1, describe the global distribution of LICs
(a) pressure increases with height in the stratosphere on the four giant planets. (b) temperature decreases with height in the troposphere on the four giant planets. (c) pressure decreases with height in the troposphere on the four giant planets. (d) temperature increases with height in the stratosphere on the four giant planets.
The statement (c)pressure decreases with height in the troposphere on the four giant planets is false .
How does the pressure change in the troposphere?
For every thousand feet of height above sea level, the atmospheric pressure in the troposphere decreases by around one inch of mercury.
As you go to greater altitudes, the density (and pressure) of the air steadily decreases because the earth's gravity keeps our atmosphere near to the surface. Atmospheric pressure is around 30 inches of mercury at sea level and drops by about an inch for every thousand feet of elevation above sea level, or about 26 inches of mercury at an altitude of 4000 feet.
The impacts of weather are most noticeable in the troposphere, where temperature and the presence of high- and low-pressure weather systems affect real pressure.
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Explain the GAC in hot, dry weather in the desert. (2 marks)
In a hot and dry weather such as in desert, the global atmospheric circulation often comes with a low pressure near 30° and this is the main cause of precipitation in mid-latitude.
What is a global atmospheric circulation?In geography, also known as an atmospheric circulation, refers to the large-scale movement of air and together with ocean circulation is the means by which thermal energy is redistributed on the surface of the Earth. The global atmospheric circulation varies from year to year but the large scale structure of this circulation remains fairly constant.
In conclusion, the global atmospheric circulation creates different direction of winds across the planet and leads to areas of high rainfall, like the tropical rainforests and areas of dry air, like deserts.
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The temperature, pressure, and precipitation conditions of the atmosphere for a specific place on a given day is called , whereas a longer term view of these same factors, typically taken over a period of many years, is called.
The temperature, pressure, and precipitation conditions of the atmosphere for a specific place on a given day is called weather, whereas a longer term view of these same factors, typically taken over a period of many years, is called climate.
The day-to-day changes in the atmosphere of the earth is referred to as the weather. In other words, the certain atmosphere of the Earth including conditions such as temperature, atmospheric pressure, rain conditions, etc on a particular day is referred to as the weather.
On the other hand, climate can be described as the average weather of a place for a long period of time. Climate refers to the average atmospheric conditions over the course of many years.
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What is a violent rotating column of air in contact with the ground, usually associated with a thunderstorm?.
Typically, a tornado is a violently rotating column of air that touches the ground and is at the base of a thunderstorm. Tornadoes are the most intense storms in nature. Tornadoes, which are spawned by intense thunderstorms, can wreak deaths and ruin an entire neighborhood in seconds. A tornado's winds may reach 300 miles per hour.
As rising air within the thunderstorm deflects the rotating air from horizontal to vertical, the region of rotation now encompasses a significant portion of the storm. A tornado can occur when the updraft is whirling and is nourished by warm, moist air rising from the ground.
Every thunderstorm has the capacity to create tornadoes, but the supercell is the most frequently tornadic storm category. This extremely intense, long-lasting thunderstorm has circulation aloft (mesocyclone) that expands upward and downward throughout the storm.
Destruction and injuries inflicted by a tornado are dependent on its intensity, size, course, time of day, and duration on the ground. Tornadoes can generate winds in excess of 200 miles per hour, and damage pathways can be more than one mile wide and fifty miles long.
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what type of tidal pattern exists on the east coast of the united states, which experiences two high tides and two low tides of similar heights every day? group of answer choices diurnal semidiurnal mixed semidiurnal diurnal mixed mixed
A semidiurnal tidal cycle exists on the east coast of the united states, which experiences two high tides and two low tides of similar heights every day
What is the Semidiurnal tidal cycle?
Every lunar day, there are two almost identical high tides and low tides, which is known as a semidiurnal tidal cycle. Their wavelength is greater than half the Earth's radius, and they have a period of 12 hours and 25 minutes
Additionally, it is the kind of tidal cycle one would anticipate from a planet fully covered in water and devoid of any continents to hinder the free flow of water.
Semidiurnal tides, or twice-daily high and low tides, are common along most shorelines. The more or less terrestrial to entirely marine conditions in the intertidal zone thus change twice daily, creating a strong vertical gradient of environmental element
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answer c because it sound right on bro notti
Answer:
stream notti
Explanation:
Answer:
PUNCHIN MY HIPZ
Explanation
one day was dissin the next in the ditches
Imagine that you’re a student who lives in Miami, Florida, and your family has decided that it’s time to move to a new home. Which of the following situations would be an example of an external migration?
A. moving to Tampa Bay, Florida
B. moving a few streets away
C. moving to Atlanta, Georgia
D. moving to Mexico
Please select the best answer from the choices provided
Imagine that you’re a student who lives in Miami, Florida, and your family has decided that it’s time to move to a new home. an example of external migration is moving to Mexico. Option D
What is external migration?Generally, Migration to a foreign state, nation, or continent is an example of external migration.
Emigration is the process of moving from one nation to another. The process of relocating to a new nation is known as immigration. Return migration is the process of going back to the place from where one originated.
In conclusion, Imagine that you are a student who currently resides in Miami, Florida, and that your family has come to the conclusion that it is time for all of you to relocate to a different residence. Moving to Mexico is an example of migration to a different country. The D Option
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Answer: D) moving to Mexico
Explanation:
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valles marineris is the most striking example of a(n): valles marineris is the most striking example of a(n): scarp. oceanic trench. shield volcano. rift valley. impact crater.
Valles Marineris is the most striking example of option d a rift valley.
The rift valley is linear lowland that is created between mountain ranges or highlands. These are formed by extensive subterranean forces pulling apart the upper crust or lithosphere.
Valles Marineris is named after the Mariner 9 Mars orbiter of 1971-1972. It is present in the Tharsis region of Mars. It is also popular as one of the largest canyons of the solar system.
Valles Marineris is located at the equator of Mars, near the Tharsis bulge of Mars. It is 4000 km long, 7 km deep, and 200 meters wide. It has also been suggested that it could be a large tectonic crack on Mars.
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What are four types of plate movements?
Answer:
The flow of the mantle causes tectonic plates to move in different directions. When the edges of plates meet, four things can happen:
slip. play. two plates slide. past each other.
collision. play. two plates crash. and fold up.
spreading. play. two plates move apart. from each other.
subduction. play. one plate sinks. below the other.
Explanation:
what has accelerated the ordinarily slow flux of carbon from sedimentary rocks to the atmosphere?
The reason for slow flux of carbon from sedimentary rocks to atmosphere can be changes in ocean temperatures and currents.
What causes carbon flux ?
It is created by the burning of carbon and carbon-containing materials (including biomass and fossil fuels), animal and plant respiration, the progressive oxidation of organic matter in the soil, and chemical reactions with certain geological components.
Carbon exchange between the seas, atmosphere, land, and living organisms is known as a carbon flux, and it is commonly measured in gigatonnes of carbon per year (GtC/yr).
A gigatonne is a huge quantity of mass, equivalent to nearly 200 million elephants or roughly double the mass of all people on Earth combined!
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gerry dickens, an energy engineer and petroleum geologist, determined that the source of this element came from . group of answer choices biological processes in swamps and bogs chemosynthesis along mid-ocean ridges the expulsion of methane by methane gas hydrates the melting of limestone bedrock by an impact event
Using the theories of petroleum, we got that petroleum came from the expulsion of methane by methane gas hydrates the melting of limestone bedrock by an impact event according to gerry dickens, an energy engineer and petroleum geologist.
Millions of years ago, the algae and plants lived in shallow seas. After dying and sinking to the seafloor, the organic material actually mixed with other sediments and was buried. Over millions of years under the high pressure and high temperature, the remains of the organisms transformed into what we know today as fossil fuels. Coal, natural gas, and the petroleum are all fossil fuels that formed under similar conditions.
Hence, gerry dickens, an energy engineer and petroleum geologist, determined that the source of this element came from the expulsion of methane by methane gas hydrates the melting of limestone bedrock by an impact event.
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which farming practice(s) reduce(s) soil erosion? group of answer choices planting wind breaks, contour farming and terracing, and planting cover crops contour and terracing planting small trees planting cover crops
The farming practices that can be used to reduce soil erosions are:
Contour ploughing.Use shelterbelts (windbreak).Terracing.Soil erosion is the gradual erode of the soil, which reduces its fertility overtime. Of course, it can have a detrimental effect on agricultural production. There are several farming practice that can be done to reduce soil erosion, such as:
Contour ploughing. It's not only minimize erosion, but also reduces runoff by strong rainfall behind eidges.Use shelterbelts (windbreak). It will reduces the erosion caused by wind and provides shades when needed.Terracing. Platforms are cut into the steeper slopes, which allows crops to grow on (previously) unusable land and allows water retentuon.Learn more about soil erosion at https://brainly.com/question/17905503
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State three importances of the ozone layer
Answer:
-doesn't the allow U.V rays to fall on our earth?
-maintains the temperature level of the earth.
-defends the crops.
Explanation:
depositional environments for sedimentary rocks can be deduced by look at sedimentary structures, like the giant cross-stratified navajo sandstone exposed in zion national park. to what do these dipping cross-bedded layers owe their origin?
These dipping cross-bedded layers blow Wind into sand dunes in the desert.
What are sand dunes?
A dune is a wind-formed sand mound that typically forms near a beach or in a desert. Sand accumulates in dunes when the wind drives it into a protected region behind a barrier. Sand grains build up to form dunes.
Every dune has a slip face and a windward side. The side of a dune that is windward is where the wind is blowing and pushing debris upward. Simply put, a dunes slip face is the unwinding side. In general, a slip face is more level than a dune's windward side.
A dune field or dune belt is a grouping of dunes. An erg is a sizable dune field. Namibia's Skeleton Coast Erg measures 20 kilometres in width and 2 to 5 kilometres in length.
Strong currents in the water below the surface can also create dunes. Subaqueous dunes, also known as underwater dunes, are typical in the ocean, rivers, and canals.
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Which of the following was NOT a reason that China maintained a policy of isolation from "westerners" all the way up to the early 19th century?
Group of answer choices
It feared diseases carried by westerners.
It was displeased by westerners bringing opium into the region.
It perceived westerners to be inferior.
It wanted to protect its culture from western influence.
China maintained a policy of isolation from "westerners" for several reasons and one of them was not that It feared diseases carried by westerners.
Why did the Chinese isolate themselves from Westerners?There were several reasons why the Chinese did not want the Westerners of Europe to come into mainland China and to associate with the Chinese people. One of them was that they viewed Western Culture as being inferior and so they did not want it to mix with their own culture and water it down so to speak.
They therefore wanted to protect their culture from western influence and so tried to isolate themselves. There was also the fact that the Westerners like Britain were bringing in opium and so the Chinese did not want it to spread. The Chinese were not necessarily sacred of the diseases carried by Westerners so this was not a reason for isolation.
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#SPJ1dr. gregory retallack was able to find evidence that supported the cataclysmic extinction during the permian. what was this piece of evidence? group of answer choices the absolute age of the siberian basalt flows the location of the impact event shocked quartz grains pieces of the meteor itself
Answer:In 1997, College of Oregon scientist Gregory Retallack revealed finding raised iridium levels and stunned quartz precious stones in Permian-Triassic rocks indications of an effect.
Explanation:The end-Permian mass eradication is the biggest of the Phanerozoic. In the quick fallout the marine environment was overwhelmed by microbial and networks with catastrophe taxa. Conceivable kill system incorporates an incredibly quick, unstable arrival of gases like carbon dioxide, methane and hydrogen sulfide. Siberian flood volcanism has been recommended as the most conceivable component to set off the monstrous arrival of ozone depleting substances from volcanic ejections and connection of magmas with carbon from thick natural rich stores or quick venting of coal-determined methane or enormous ignition of coal. A sharp Î'13C isotopic outing, quick vanishing of carbonate benthic networks and Î'18O information from conodont apatite recommend fast an unnatural weather change. The end Permian mass elimination happened in under 200,000 years.
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Where do scientist predict future volcanic activity in the san francisco volcanic field to occur?.
Scientists predict future volcanic activity in the San Francisco volcanic field will occur on the eastern side of the volcanic field.
It is found along the margins of the Colorado Plateau and covers an area of approximately 4700 kilometers squared.
The San Francisco volcanic field is the area of volcanoes in northern Arizona, North flagstaff, US.
The San Francisco volcanic field is still active since it erupts infrequently for several thousand years.
It is made up of localized melting called the hot spot deep beneath the surface of the earth.
The area is formed from basaltic lava fields since the underlying rock is of basaltic rocks.
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Mention the major issues that compose the scope of Geography?
Major issues of geography's cross-disciplinary relationships include:
Geography is a broad field of study since it includes history, science, environmental studies, and demographic studies. It also includes research on ethnicity, culture, the earthly features of the globe, and the economies of various regions.
Geography investigates the demographics, lands, and population of a region as well as the physical characteristics of that region. This field of research takes an all-encompassing interdisciplinary approach because its main goal is to create a flexible interaction between the people and the places they inhabit, among other things.
A problem must meet the following criteria to be considered a geographical issue: It must be the focus of extensive community discussion and debate (for example, in the media); It must be viewed over time and at a range of scales, from local to global. Have a dimension of space.
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upwelling currents near the coastline are driven by select one: a. the temperature of the water b. the terrain of the coast c. wind blowing parallel to the coastline d. wind blowing perpendicular to the coastline
Using the theories of upwelling, we got that wind blowing perpendicular to the coastline during the upwelling currents near the coastline.
Upwelling is the oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually the nutrient-rich water from deep water towards the ocean surface. It replaces warmer and usually nutrient-depleted surface water. The nutrient-rich upwelled the water stimulates the growth and reproduction of primary producers such as the phytoplankton. The biomass of phytoplankton and the presence of the cool water in those regions allow upwelling zones to be identified by the cool sea surface temperatures (SST) and high concentrations of the chlorophyll-a.
Hence, the upwelling currents near the coastline are driven by wind blowing perpendicular to the coastline
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the high temperature of earth's interior is mainly due to group of answer choices radioactive processes. great internal pressure. the earth's natural heat. friction, as plates move past one another.
The high temperature of the earth's interior is mainly due to radioactive processes.
Radioactive processes can be described as the processes in which the atoms that have an unstable nucleus split in an effort to form stable nuclei.
The radioactive process is highly exothermic which means that a large amount of thermal energy or heat is released as a result of a radioactive reaction.
This thermal energy trapped in the interior of the Earth due to the radioactive process is one of the leading causes of high temperatures of the Earth.
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2. Which animal is not found in
Caribbean South America?
a. jaguar
b. piranha
c. crocodile
d. gorilla
Answer:
Gorillas are not.
Explanation:
Gorillas don't handle the heat as well.