Answer:
A. Karsty Topography
Explanation:
Karsty topography is characterized by numerous caves, sinkholes, fissures, and underground streams and it is usually found regions of high rainfall where bedrock consists of carbonate-rich rock, such as limestone, which is easily dissolvable
A crystal of potassium feldspar (KAlSi3O8) will produce a variety of weathering products after it is weathered. Which of the following is NOT a product that results from the weathering of potassium feldspar?
A) silica.
B) potassium ions.
C) clay minerals.
D) iron oxides.
Iron oxides are NOT a product of potassium feldspar weathering. Potassium feldspar weathers to form clay minerals, silica, and potassium ions, but not iron oxides, which are associated with the weathering of iron-containing minerals.
Explanation:The question asks which of the following is NOT a product that results from the weathering of potassium feldspar (KAlSi3O8): A) silica, B) potassium ions, C) clay minerals, D) iron oxides. The answer is D) iron oxides. When potassium feldspar is weathered, it reacts with water and carbon dioxide, resulting in the formation of clay minerals, potassium ions in solution, and silica, mostly in the form of H4SiO4. Iron oxides are not a direct weathering product of potassium feldspar but can be formed under specific conditions from other minerals or in different weathering processes.
Laurent's minerals like kaolinite are formed as a result of potassium feldspar weathering, alongside the release of potassium ions and silica in solution. The process, known as hydrolysis, fundamentally alters the mineral's structure into new forms, facilitating the creation of clay minerals from the silicate material originally present in feldspar. However, iron oxides, typically associated with the weathering of minerals containing iron, are not a result of weathering potassium feldspar, which lacks iron in its composition.
During a solar eclipse, the Moon is positioned directly between Earth and the Sun. Find the magnitude of the net gravitational force acting on the Moon during the solar eclipse due to both Earth and the Sun.
Answer:
[tex]F_{resultant} = 2.373\times 10^{20}\ N[/tex]
Solution:
As per the question:
We know that:
Mass of the moon, [tex]M_{m} = 7.36\times 10^{22}\ kg[/tex]
Mass of the Earth, [tex]M_{e} = 5.98\times 10^{24}\ kg[/tex]
Mass of the sun, [tex]M_{s} = 1.99\times 10^{30}\ kg[/tex]
Mean distance between the Earth and the sun, R = [tex]1.5\times 10^{11}\ m[/tex]
Mean distance between the Earth and the moon, R' = [tex]3.84\times 10^{8}\ m[/tex]
Now,
We know that the gravitational force is given by:
[tex]F = \frac{GMm}{r^{2}}[/tex]
Thus
Gravitational force between the Earth and the Moon:
[tex]F_{em} = \frac{6.67\times 10^{- 11}\times 5.98\times 10^{30}\times 7.36\times 10^{22}}{(3.84\times 10^{8})^{2}}[/tex]
[tex]F_{em} = 1.9908\times 10^{20}\ N[/tex]
The above force is towards the earth:
The force of gravitation between the sun and moon:
[tex]F_{sm} = \frac{6.67\times 10^{- 11}\times 1.99\times 10^{30}\times 7.36\times 10^{22}}{(1.5\times 10^{11} - 3.84\times 10^{8})^{2}}[/tex]
[tex]F_{sm} = 4.364\times 10^{20}\ N[/tex]
Thus net force is given by:
[tex]F_{resultant} = F_{sm} - F_{em} = 4.364\times 10^{20} - 1.9908\times 10^{20} = 2.373\times 10^{20}\ N[/tex]
The resultant force is directed towards the sun.
Groundwater in underground, constricted fractures is heated past its normal boiling temperature by surrounding hot rocks. The superhot liquid expands in volume; this reduces its confining pressure, and it flashes into steam. This is an explanation of which geologic feature?
Choose one:
A. a geyser
B. a hot spring
C. a mud pot
D. an artesian spring
Answer:
answer a: a geyser
Explanation:
The superhot liquid expands in volume; this reduces its confining pressure, and it flashes into steam. This is an explanation of a geyser geologic feature. Thus, option A is correct.
What is a Groundwater?Water that is found in soil, geological, and especially rock formation fissures below the earth's crust is known as groundwater. This is generally treated as the water that will be viable for drinking the water.
Similar to how marine depth affects pressure, encircling pressure rises as distance increase. The immense load of the granite and water above the pool stops the pool from melting due to the increased pressure of geyser.
Because of the nearby hot rocks, the groundwater in underground, confined breaches is heated above its normal point of boiling. Therefore, option A is the correct option.
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The igneous rock gabbro most likely formed from molten material that cooled. True or false
Answer:
True
Explanation:
Gabbro is an igneous rock which is formed by the gradual cooling of molten magma below the surface of the earth. It is an intrusive rock which means that its cooling and solidification was done below the surface of the earth. Gabbro should not be confused for basalt which has similar chemical compositions as gabbro. The only difference being that basalt has a smaller grain size which is as a result of its quick cooling and solidification process above the earth's surface (extrusive rock).
The thickness of ocean sediments that are close to a mid-ocean ridge is __________ the thickness of ocean sediments that are far from mid-ocean ridges.
A. more than,
B. less than
C.same as
Answer:
The answer is letter B, less than.
Explanation:
The thickness of ocean sediments that are close to a mid-ocean ridge is _less than_________ the thickness of ocean sediments that are far from mid-ocean ridges
What is the most important reason why an icy moon is more likely to be geologically active than a rocky moon of the same size? What is the most important reason why an icy moon is more likely to be geologically active than a rocky moon of the same size? Ice contains more radioactive elements than rock. Ice is less rigid than rock. Ice is affected by tidal forces to a greater extent than rock. Ice is less dense than rock. Ice has a lower melting point than rock.
The icy moon is more likely to be geologically active than a rocky moon of the same size because Ice has a lower melting point than rock. The correct option is E.
Why are some moons geologically active?It is crucial to emphasize that geological activity on moons is not only frequent but also the foundation of contemporary space exploration. Tidal forces frequently contribute to the moon's geological activity, which coincides with heat. Friction is produced by tides, and friction produces heat.
Ice allows for ice volcanism and tectonics at shockingly low temperatures since it deforms and melts at considerably lower temperatures than rock. The Moon has a stable, rocky surface that has been impacted by asteroids, meteors, and comets, leaving craters and pits in it.
Thus, the ideal selection is option E.
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Icy moons are more likely to be geologically active than rocky moons of the same size mainly because ice has a lower melting point than rock, which, combined with tidal forces from a parent planet, can lead to significant geological activity.
Explanation:The most important reason why an icy moon is more likely to be geologically active than a rocky moon of the same size is because ice has a lower melting point than rock. This allows the icy moon to more easily undergo melting and refreezing, which can facilitate tectonic activity like the shifting of surface plates similar to Earth's geological processes. Moreover, the flexibility of ice compared to rock contributes to this activity. In addition, icy moons, such as Jupiter's moon Europa, are subjected to tidal forces from their parent planet, which can flex and heat their interiors, driving geological activity. This is the case with Europa and also Saturn's moon Enceladus, which experience tidal heating due to the immense gravitational pull of their respective planets.
If phosphorus concentrations were to suddenly increase in a marine ecosystem, which of the following would likely occur?
A) no change in the rate of primary productivity
B) increased primary productivity
C) decreased primary productivity
Answer:
C
Explanation:
decreased primary productivity due to dangerous amount of phosphorus
The apparent brightness of a star remains constant at most time, except that at precise intervals of 173 hours, the star becomes dimmer for about 2 hours. The most likely explanation is that the star is __.
Answer:
The most likely explanation is that the star is a member of an eclipsing binary star system.
Explanation:
An eclipsing binary star system takes place when two stars which are close to each other move in an orbit in which sometimes, one star can hide the light behind the other.
There are two types of eclipses depending on the orientation of the orbit and the size of the stars: the totals or the annular ones. It may also be the case that the eclipses are partial.
Algol is the best known eclipsing binary star, and the first of this kind to be discovered. Its interval between eclipses is 173 hours (2.9 days).
When this type of eclipses happens, the brightest star provides 92% of the light of the system, while the eclipsed only contributes less than 8%, and there is a third star, which is not eclipsed.
Therefore, if there is any star that has been bright most of the time, and during certain time intervals it becomes dimmer, that star is being overshadowed.
The discharge of a river traveling through a temperate region will typically ________ downstream; the discharge of a river traveling through an arid region will typically ________ downstream.
a. increase; increase
b. decrease; decrease
c. increase; decrease
d. decrease; increase
Answer:
c.
Explanation:
temperate regions have abundant precipitation rates.
Arid (desert) regions lack water and have low precipitation rates.
The discharge of a river traveling through a temperate region will typically increase downstream; the discharge of a river traveling through an arid region will typically decrease downstream.
Explanation:The correct answer is c. increase; decrease.
In a temperate region, rivers will typically have a higher discharge downstream. This is because temperate regions receive more rainfall, which leads to an increase in the volume of water flowing in the river. In contrast, in an arid region, there is less rainfall, resulting in a decrease in the discharge of the river downstream.
For example, the Mississippi River in the United States travels through a temperate region and has a large discharge as it flows downstream. On the other hand, the Nile River in Egypt travels through an arid region and has a smaller discharge as it flows downstream.
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What is a drainage divide?A) A ridge or strip of high ground separating one drainage basin from another.B) The arrangement of a stream and its tributaries.C) The total area drained by a stream and its tributaries.D) The area where a stream flows into a lake or ocean.
Answer:
A) A ridge or strip of high ground separating one drainage basin from another
Explanation:
A drainage divide is an area with an increase in height of the land or elevated terrain which seperates neighbouring drainage basins. This may be in a form of a single range of hills or mountains
The key to identifying a black hole candidate in a binary system is that a. one of the two stars cannot be seen. b. the unseen star is a contact binary. c. the visible companion must be an evolving main sequence or giant star. d. the system must be a very strong source of radio emissions.
Put Antarctica next to the explorer associated with it. Put Australia next to the explorer associated with it. Put New Zealand next to the explorer associated with it. Willem Janszoon Abel Tasman Fabian Gottlieb von Bellingshausen James Cook Henryk Bull Roald Amundsen
Answer:
Australia: Willem Janszoon and James Cook were explorers of Australia.
New Zealand: Abel Tasman and James Cook explored New Zealand.
Antarctica: Fabian Gottlieb von Bellingshausen, Roald Amundsen and Henryk Bull explored Antarctica.
Answers:
New Zealand: Abel Tasman
Australia: Willem Janszoon, James Cook,
Antarctica: Fabian Gottlieb von Bellingshausen, Henryk Bull,
Roald Amundsen
*James Cook is also known for making detailed maps of the Hawaiian Islands, Australia, and the first recorded circumnavigation of New Zealand.
However depending on what lesson you have he's usually put under Australia.
During a non-El Niño year, trade winds blow from the normally high-pressure area over the eastern Pacific (near Central and South America) to the normally stable low-pressure area over the western Pacific (north of Australia).
a) true
b) false
Answer: a) true
Explanation:
Which of the following statements about turbidity currents is true? Choose one: A. Turbidity currents and river erosion carve deep submarine canyons. B. They are found only on active continental margins. C. They leave deposits of graded beds called guyots. D. They are responsible for creating the continental shelf.
Answer:
Option A is correct.
Explanation:
Turbidity currents are created when sand and mud are loosened from the continental shelf by any geological disturbance such as an earthquake.
The current continues to quickly grow in size, as it picks up dirt, rocks and all sort of dirt and increasing its speed. Over time, these currents can alter the shape of the seafloor, creating large submarine canyons.
Answer: A B C
Explanation:
Studies of deep-sea sediment cores have contributed greatly to scientific knowledge of ________. the origin of oscillation ripple marks in deep-sea muds how soft-bodied organisms are carbonized the biological impacts of pollution on parts of the continental shelves climatic changes during the last four million years.
Answer:
climatic changes during the last four million years
The ________ is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can determine geologic ages of strata.
Answer:
Principle of faunal succession
Explanation:
Principle of faunal succession -
According to this theory , the layer of the sedimentary rocks have fossils of the flora and fauna .
Which helps to study the rocks regarding the ages and the types of specifies found at that time .
It is the best method to study about the ancient lives , which helps by determining the relative age of the rocks .
Even the law of superposition is used to determine the time and age of the sedimentary rocks .
Biostratigraphy is the concept that fossil assemblages can determine the ages of sedimentary rock strata, aiding in the mapping of life's evolutionary history.
Explanation:The biostratigraphy principle is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can determine geologic ages of strata. Biostratigraphy is a branch of stratigraphy which utilizes fossils to correlate successions of sedimentary rocks, thereby determining their relative age. It relies on index fossils, which are fossils of species that survived for a relatively short time, but were widespread and can be used to match isolated rocks to determine their age.
Strata are layers of sedimentary rocks that can be differentiated by their different colors or compositions. With strata forming relatively horizontal, parallel layers, the younger ones are typically on top. Paleontologists utilize stratigraphy to map out the way life evolved across geologic time, although working out specific fossil ages can be challenging.
Which state refused to send anyone to philadelphia for the convention?
Answer:
Rhode Island
Explanation:
Incidentally, Rhode Island, while now the smallest state geographically in the Nation, was much more important in colonial times. It was coincidentally the last state to ratify the Constitution.
The Constitutional Convention, as it was also known, was held to address the multiple problems that the fledgeling United States government faced under the current Articles of Confederation. Even the delegates who supported the Articles were able to come to a general agreement on the necessity for deeper changes that ultimately led to a new constitution.
Final answer:
Rhode Island was the only state that did not send delegates to the Constitutional Convention in Philadelphia, where the U.S. Constitution was drafted to replace the Articles of Confederation.
Explanation:
In the historical event leading to the formation of the United States Constitution, Rhode Island was the only state that did not send any delegates to the Constitutional Convention held in Philadelphia. The convention, which began on May 25, 1787, was to revise the Articles of Confederation. However, due to various concerns and distrust in a centralized government, Rhode Island abstained from participating in the proceedings that ultimately led to the creation of a new framework of government for the United States.
Despite the absence of some prominent figures such as Thomas Jefferson and John Adams, and the refusal of Rhode Island to send any representatives, the convention continued with delegates from other states. They convened at Independence Hall in Philadelphia, a site of great historical significance as the place where the Declaration of Independence was previously drafted.
The Constitutional Convention in Philadelphia was a pivotal moment in American history. It brought together a collection of influential figures who, after four months of deliberations, emerged with a document that laid out a completely new plan of government, marking the end of the Articles of Confederation and the establishment of the Constitution of the United States.
What mountain range is between the black and caspian seas
Answer:
Caucasus Mountain Range or Caucasus Mountains is between the black and caspian seas.
Explanation:
This mountain is a great barrier that extends for 750 miles and its tops exceed 4500 meters. It is located between the Black Sea and the Caspian Sea.
It has two mountain ranges: the Great Caucasus, which is the largest mountain range and extends for 1200 km, and the Lesser Caucasus which is 600 km long.
This great mountain range was created by the clash between the Arab plate and the Eurasian plate approximately 28 million years ago. Due to the constant movement of plates, it is a region prone to continuous strong earthquakes although it does not have volcanic activity despite the existence of some stratovolcanoes.
Which internal struggle, a dialectic within a relationship, embodies the conflicting desires for integration and separation? A. Inclusion-seclusion B. Expression-privacy C. Predictability-novelty D. Connection-autonomy
Answer:
Inclusion-seclusion
Explanation:
The connection–autonomy dialectic is where we want to be close to others but also seek to be autonomous; it is an internal struggle. The inclusion–seclusion dialectic is the external struggle between integration and separation.
Based on what you learn about Jovian moons by watching the videos or reading the textbook, what types of evidence for recent or ongoing geological activity have been observed on one or more jovian moons?
Answer:
They have an active layer of volcanic crater, and have presence of the tidal heatings.
Explanation:
All the Jovian planets are considered as the gas giants and they have thick ice layers of rocks and these layers have lower temperatures than rocks and allow for the icy volcanism and tectonic activity at lower temperatures. Given the presence of the active crater on the LO, the moon has 400 plus volcanoes, along with more than 100 mountains. Europa has a young creator and tectonic young surface and subsurface oceans within 100 metes of depth. Callisto is heavily created mass of crater and has a thin atmosphere, with icy rocks.Jovian moons such as Io, Europa, and Enceladus show evidence of ongoing geological activity. This activity is often driven by the moons' gravitational interactions with Jupiter and Saturn, resulting in internal heating that fuels geological processes.
Explanation:Evidence for recent or ongoing geological activity on Jovian moons includes visible surface changes and unusual energy sources. Jupiter's moon Io, is a prime example, showcasing active volcanism facilitated by the internal heat generated by the moon's gravitational interaction with Jupiter, resulting in constant flexing and heating of its interior. Another significant example is Europa, also a moon of Jupiter, where the lack of impact craters implies a geologically young surface, while the observable cracks and ridges suggest continuous geological activity. Furthermore, Galileo's observations indicate the presence of a massive, sub-surface liquid water ocean on Europa. Lastly, Enceladus, a moon of Saturn, also displays geological activity likely influenced by Saturn's gravitational forces, similar to the tidal heating observed on Io and Europa.
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Mass movement______________. A. is more likely to happen under dry conditions than under wet conditions.B. can't happen underwater because the buoyancy force of water is too great.C. happens only when the slope of a hill gets steeper than the angle of repose.D. is a gravity-driven downslope movement of natural materials.
Answer:
D. is a gravity-driven downslope movement of natural materials.
Explanation:
The mass wasting is defined as the slope movement or the downward movement of the debris or the rock wastes down the hill by the action of the geomorphic process like the soil, the sand and the regolith and may be continuous or discontinuous associated with the flow of the debris, mud and the rock slide or the flow. Based on the rock these are classified as Creep: which is long term movement and is a combination of the soil or the rocks, the steeper the slopes the faster is the fall. Landslides are associated with landslips and thus are more rapid and hence cause more destruction as the flow of material occurs along with the action of the gravity. They also include lahar and the earth flows.A benefit of geothermal energy over hydroelectric energy when generating electricity is that geothermal energy _______.
A. does not cause flooding
B. is available in any location
C. requires a specific locale
D. does not require any water
E. never releases dangerous gases
Answer:
A. Does not cause flooding
Explanation:
Hydroelectric energy requires damming a watercourse(stream or river) in order to store up water used to generate energy. Sometimes, during high peak of rainfall, these dams might overflow leading to flooding in the area.
This is not the case for geothermal energy as the energy is derived from heated water sourced from underneath the surface of the earth. There are no issues of flood with geothermal energy.
What concept states that "ancient life forms succeeded each other in a definite, evolutionary pattern and the contained assemblage of fossils can determine the geologic age of the strata"?
Answer:
The correct answer is Principle of Faunal Succession.
Explanation:
This principle states that fossil remains occur over time and that this can be predicted.
This is established by observing that there are remains of fossilized fauna and flora found in sedimentary rocks, and they are found in all these rocks in any place, no matter where they are.
Then, analyzing this it is possible to determine the age of the rocks and strata found, depending on the flora and fauna that are fossilized on them, by determining when the sediments that conform to the rock were deposited.
Thanks to the study of flora and fauna, the entire age of the Earth can practically be studied since they are widely distributed throughout the planet throughout history.
And so you can study the climate throughout the life of the planet, the groups of plants and animals and the age of the rocks.
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What has been the impact of declining harvests and years of drought on African subsistence farmers?
A. Subsistence farmers refuse to change their traditional ways and do anything different from their forefathers.
B. Subsistence farmers continued to plant crops such as maize to make sure they can feed their family.
C. Subsistence farmers have begun to plant some drought resistant crops and break away from their traditional crops.
D. Subsistence farmers have turned to nomadic pastoralism in search of profits.
Answer:
c
Explanation:
Answer:
C. Subsistence farmers have begun to plant some drought resistant crops and break away from their traditional crops.
Jupiter and Saturn, despite being considerably farther from us than the inner terrestrial planets,are very bright in our sky.Which of the following choices are possible explanations for this?
Choose one or more:
A. They are more reflective (higher albedo) than most of the terrestrial planets.
B. They are so hot that they emit blackbody radiation that peaks in the visible.
C. They are larger than the terrestrial planets.
D. Dust obscures our view of the inner planets more than the outer ones
E. Since they are closer to stars, more starlight is reflected off of them than the inner planets.
Answer:
The good answers here are:
A. They are more reflective (higher albedo) than most of the terrestrial planets.
C. They are larger than the terrestrial planets.
Explanation:
Light colored clouds found there have a better, reflective albedo. And both planets are so much bigger than Earth, they´re the biggest planets of our solar system. These are some factors of their brightness in our sky.
One measure for the value of the patch was given by the long-term contribution of a fragment to colonization events in the network. How do the properties of a landscape and the properties of a species affect the value of a patch? The value of the fragment depends ________.
_____ The value of the fragment depends on the properties of the landscape and the properties of the species
Mt. Vesuvius erupted in a very violent explosion in 79 C.E. and buried the residents of Pompeii in ash. On the basis of this information, which of the following would you LEAST expect to find at Vesuvius?
A. basaltic lava
B. lapilli (cinders)
C. rhyolite lava
D. ignimbrite
Answer:
The good answer is:
A. Basaltic lava.
Explanation:
The eruption ocurred in 79 AD. You can´t expect to see lava anymore on the site of the tragedy. When it happened, you may have seen rivers of lava descending from the volcano, but not today.
The major biological source of dissolved oxygen in the ocean comes from
Answer:
There are two sources of dissolve oxygen into water: the atmosphere as well as from the water plants.
Explanation:
There are two sources of dissolve oxygen into water: the atmosphere as well as from the water plants. Phytoplankton or any submerged plants are the main source of oxygen in a pond. These phytoplankton produce oxygen by process called as photosynthesis in the presence of solar energy and emit this oxygen into the pond
This dissolved oxygen originates from various places. a biological source containing organisms capable of photosynthesis, which produces oxygen as a byproduct.
Phytoplankton and photosynthetic bacteria like cyanobacteria make up a large majority of these creatures. The atmosphere and water plants are the two places where oxygen may dissolve into water. The primary source of oxygen in a pond is phytoplankton or any submerged vegetation.
In the presence of solar light, these phytoplankton make oxygen through a process called photosynthesis, and they release this oxygen into the pond.
Therefore, phytoplanktons are the major source of dissolved oxygen.
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Which five national parks are closest to california border with nevada
Answer:
Explanation:
The closest national parks are the following:
10. Devils Postpile National Monument
5. Sequoia and Kings Canyon National Park
2. Death Valley National Park
1. Yosemite National Park
7. Lassen Volcanic National Park
The five national parks closest to the California-Nevada border are Death Valley National Park, Joshua Tree National Park, Yosemite National Park, Sequoia and Kings Canyon National Parks, and Lassen Volcanic National Park.
The five national parks closest to the California border with Nevada are:
Death Valley National Park (DVNP) - This park straddles the California-Nevada border.
Joshua Tree National Park (JTNP) - Located in southeastern California, it is relatively close to the Nevada border.
Yosemite National Park - In central California, it's further north but still accessible from Nevada.
Sequoia and Kings Canyon National Parks - These adjacent parks in the southern Sierra Nevada are also a drive away from the Nevada border.
Lassen Volcanic National Park - It's in northeastern California, although further from the Nevada border than the others listed.
Note: While this provides a general guide, exact proximity may vary depending on specific border crossing points and road accessibility. The significant areas of wilderness and parklands like Mojave Desert National Preserve and Anza-Borrego Desert State Park are additional large preserved areas, although not all classified as national parks.
Which of the following lists the rocks in the order of increasing grain size and increasing grade of metamorphism? schist, slate, phyllite phyllite, slate, schist slate, schist, phyllite slate, phyllite, schist
Answer:
From lowest to highest grade,
Slate > Phyllite >Schist
Explanation:
The grade of metamorphism is usually studied in the metamorphic type of rocks where the rocks are formed due to the high pressure and temperature condition. These rocks are formed in a sequence from a lower grade to a higher grade. Here the low-grade rocks gradually change to more hard and resistant rock when subjected to extreme pressure-temperature conditions.
In the above, there are 3 metamorphic rock names gives, which can be arranged from a lower grade to higher grade. Slate is a low-grade metamorphic rock that changes into Phyllite, another medium-grained metamorphic rock. This Phyllite again alters to Schist under extreme pressure-temperature conditions.
The rocks slate, phyllite, and schist are listed in increasing order of grain size and metamorphic grade. Slate has the smallest grain size, followed by phyllite and then schist, which has the largest grain size. The grade of metamorphism also increases in the same order.
Explanation:The correct order of rocks in terms of increasing grain size and increasing grade of metamorphism is slate, phyllite, and schist.
Metamorphic rocks are formed when pre-existing rocks (also known as parent rocks) undergo changes due to physical or chemical conditions, such as heat, pressure, and chemical solutions. This process is known as metamorphism.
Slate is a fine-grained metamorphic rock that can be split into thin pieces along parallel layers. Due to its lower grade of metamorphism, it has the smallest grain size among the three.
Next, phyllite has undergone slight more metamorphism compared to slate, hence slightly larger grain size. Phyllite is a type of foliated metamorphic rock created from slate that is further metamorphosed so that very fine grained white mica achieves a preferred orientation.
Lastly, schist has the largest grain size and the highest grade of metamorphism among the three. Schist is a medium-grade metamorphic rock with medium to large, flat, sheet-like grains in a preferred orientation.
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