What does the Vishnu Schist tell you about the history of the Grand Canyon prior to the formation of the canyon itself?

Answers

Answer 1

Answer:

These rocks were part of the oceanic trench.

Explanation:

The Vishnu schist is a part of the Vishu complex of exposed basement rocks and is originally part of the deep ocean trench and was substantially overloaded by the sediments of the Brahma schist some 1.75 billion years ago. Being metamorphic in nature the oldest rocks of the canyon have granite and suggest they have been subjected to intense heat and pressure.

Related Questions

In the United States, dry lines commonly develop over _____ during _____: Group of answer choices western Texas, Oklahoma, and Kansas; spring and early summer the Northeastern states; spring the desert Southwest; winter Southern California; early summer

Answers

Answer:

In the United States, dry lines commonly develop over southern Great Plains during mature cyclone.

Which statements refer to weather and which refer to climate.

a. The baseball game was rained out today.
b. January is Omaha's coldest month.
c. North Africa is a desert.
d. The high this afternoon was 25°C.
e. Last evening a tornado ripped through central Oklahoma.
f. I am moving to southern Arizona because it is warm and sunny.
g. Thursday's low of -20°C is the coldest temperature ever recorded for that city.
h. It is partly cloudy.

Answers

Answer:

a. weather

b. climate

c. climate

d. weather

e. weather

f. climate AND weather

g. climate AND weather

h. weather

Making inferences and drawing conclusions help us with all of the following except __________. A. making connections B. creating new words C. understanding cause and effect D. learning new vocabulary

Answers

Answer:

B. Creating new words.

Answer:

B : creating new words

Which of the following is a major agricultural export of East Africa?

Question 2 options:

corn


cocoa


coffee


sugar cane

Answers

Coffee

coffee is the major agriculture export of east africa

Answer:

coffee

Explanation:

zeugen and yardang differences​

Answers

Answer:

Yardangs are formed on vertical strata while zeugen on horizontal strata. ... Yardangs are formed on vertical hard/soft layers of rock, while zeugen (this is its plural form) are formed on horizontal bands of hard/soft rocks giving it a more mushroom-like shape. The Great Sphinx of Giza has been sculpted in a yardang

Which of the following gulfs are in Southeast Asia? A. the Gulf of Aden and the Gulf of Bahrain B. the Gulf of Mexico and the Gulf of California C. the Gulf of Thailand and the Gulf of Tonkin D. the Gulf of Suez and the Gulf of Oman

Answers

Answer:

Which of the following gulfs are in Southeast Asia?

C. the Gulf of Thailand and the Gulf of Tonkin

Answer:

I do agree, and think it's C. The Gulf of Thailand and the Gulf of Tonkin

Which situations describe increasing atmospheric stability (choose all that apply): Group of answer choices daytime solar heating of the surface increases surface temperatures cold air from land moves over a warm lake rising surface temperatures on a calm, sunny summer day environmental lapse rate increasing with time a North wind brings in cold air from Canada, lowering surface temperatures Surface air cools while air aloft warms

Answers

Answer:

daytime solar heating of the surface increases surface temperatures.

Explanation:

Atmospheric stability is the condition where the air is generally considered to be stable than earlier due to the certain changes that take place over the period of time which are associated with the weather and climatic variability. As the colder air mass is denser than the warmer and lighter air mass thus reverse in the condition leads to instability.

Where else in the bay area or elsewhere do you think would be an important place to dedicate as a wildlife corridor? Explain why?

Answers

Answer:

Apart from the Gulf of Mexico area there are other areas that can be wildlife corridor. These could be:

Canadian forest - taigaAndean mountain area - there are many endemic and endangered species.

If__________is added to the single cell model of global circulation, the single cell convection system becomes a three cell convection system.

Answers

Answer:

Thermal energy

Explanation:

The atmospheric circulation is a large system of movement of air along with the circulation of water and thermal energy is redistributed o the surface of the earth through this method.  The three cells namely Hadley, Ferrel, and polar cells that exist in the northern and southern parts of the world are balanced by the high and low pressures. The latitudes of 30 to 35 degrees are the place of high pressure were they diverge form.

Understanding how to recognize landslides and other styles of mass wasting is important for homeowners! An earthflow is best described as:
a. The movement of soil downslope along a planar surface of rupture
b. A non-cohesive soil flow made up of sand to boulder sized sediments that is triggered by intense rainfall or rapid snow melt
c. A cohesive soil flow made up of mostly fine grained sediments (e.g., silt, clay and sand) that is triggered by intense rainfall or rapid snow melt
d. A landslide induced by the liquefaction of sediment during an earthquake
e. a mass of rock dislodged from a steep slope that free falls, bounces or rolls downslope
f. The gradual movement of soil downslope over the course of years or even centuries
g. The rotational movement of soil downslope along a rotational surface of rupture

Answers

Answer:

b. A non-cohesive soil flow made up of sand to boulder sized sediments that is triggered by intense rainfall or rapid snow melt

Explanation:

Earth flow is characterized by fine grained particles which are usually in a downwards motion as a result of the impact of the forces of gravity and water sweeping through it.

It is also known as a non-cohesive soil flow made up of sand to boulder sized sediments that is triggered by intense rainfall or rapid snow melt.

Because computers and cell phones are non-polluting, global carbon emissions from communications technologies are expected remain relatively stable between now and 2020.

a. True
b. False

Answers

Answer:

False

Explanation:

I don't know what your text book says, but computers and cell phones are absolutely polluting.  All the emissions from the manufacturing process get released into the atmosphere, and they run on electricity which is being produced at sometype of power plant (probably coal).

Since we don't know the "now" of the text book, but we do know 2020, we know that there was a sharp increase in 2018 that started to level off in 2020 from e-waste.  It's estimated there are 3 electronic devices for every 1 person in the world.

For these reasons, I would have to say False as the answer; however, your textbook may disagree.  The benefits of future knowledge.

Cheers.

Compare and contrast a perceptual region and a formal region

Answers

Answer:

A nation is a formal region; it is a particular political entity and may have a common language. ... Perceptual regions reflect people's feelings about certain areas; in the United States, southern California and the South each have a certain image. They are perceptual regions.

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the oldest unit in the center, the underlying structure is a(n) ________.

Answers

Answer:

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the oldest unit in the center, the underlying structure is a syncline.

Bioplastics made from corn grown using industrialized agricultural methods would have a smaller ecological footprint that bioplastics made from native prairie switchgrass.
A. True
B. False

Answers

Answer:

A this is true

Explanation:

i had to answer this question and i got it right

Bioplastics made from corn grown using industrialized agricultural methods would have a smaller ecological footprint that bioplastics made from native prairie switchgrass.

Thus, the correct option A.

What are Bioplastics?

Plastics made from renewable biomass sources, such as plant fats and oils, maize starch, straw, woodchips, sawdust, and recovered food waste, are known as bioplastics.

Some bioplastics are made by processing polysaccharides (such as starch, cellulose, chitosan, and alginate) and proteins (such as soy protein, gluten, and gelatin) directly from natural biopolymers.

Other bioplastics are made chemically from sugar derivatives (such as lactic acid) and lipids (such as oils and fats) from either plants or animals, or biologically by fermentation of sugars or lipids.

Contrarily, conventional plastics like fossil-fuel plastics, often known as petro-based polymers, are made from natural gas or petroleum.

Bioplastics have the advantage of not requiring fossil fuel as a raw material, which is a limited and unevenly distributed resource with political and environmental implications.

Learn more about Bioplastics, here

https://brainly.com/question/17285813

#SPJ5

What major geographical advantage does agriculture in the Coastal South have over most other regions of North America

Answers

Answer:

The region is largely frost-free so many frost intolerant crops can be grown.

Explanation:

The Coastal South in North America consists of cities like Florida, Texas, and North Carolina. This region is known for the exceptional agriculture that occurs there. The nature of their soil is not the cause of this, rather it has a lot more to do with their climatic conditions which range from the time of the last frost in spring to the beginning of the next frost in fall. So, this allows for about nine months of intensive agriculture.

Frost is ice which is mostly seen on the surface of the soil. It is quite difficult for many plants to survive the harsh condition imposed by frost. So the lengthy number of days and months without frost in the Coastal South gives it a great advantage over compared to many other regions in North America.

After it experiences a "helium flash" a star like the Sun will have a brief period of stability, fusing helium into carbon (and sometimes oxygen). During this brief stable stage, the star:_________a. Increases tremendously in luminosity.b. Gets to be even larger in diameter than it was as a red giant.c. Returns to the position on the H-R diagram that the star had in its main-sequence stage.d. Is able to fuse many of the heaviest elements (such as iron and gold) in its superhot core.e. None of the answers provided is the correct answer

Answers

Answer:

a. Increases tremendously in luminosity

Explanation:

The helium flash is a thermal nuclear fusion with large quantities of helium gas into carbon. During the red giant phase, the sun is predicted to have a flash 1.2 billion after it leaves the main sequence and this helium fusion cannot be produced by the low mass stars. The sun in this stage will burn out or run out of its fuel and eventually will lead to gravitational collapse.  The star being to shrink in size and core starts to collapse.

Based on these observations, we can conclude that the mountains in Shenandoah National Park have undergone __________ erosion and are __________ the Rocky Mountains.

Answers

Answer:

The answer is A) more, older than.

Explanation:

It says that the rocky mountains are older and that Shenandoah National Park have undergone more erosion in the passage.

The discontinuity separating the crust from the mantle is named as: A.Mohorovicic B.Conrad C.Reppetty D.Gutemberg

Answers

Answer:

A.mohorovic

Explanation:

The Mohorovičić discontinuity (/moʊhəˈroʊvɪtʃɪtʃ/ MOH-hə-ROH-vitch-itch, Croatian: [moxorôʋiːtʃitɕ]),[1] usually referred to as the Moho discontinuity or the Moho, is the boundary between the Earth's crust and the mantle. It is defined by the distinct change in velocity of seismological waves as they pass through changing densities of rock.[2]

The Moho lies almost entirely within the lithosphere.[3] Only beneath mid-ocean ridges does it define the lithosphere–asthenosphere boundary. The Mohorovičić discontinuity is 5 to 10 kilometres (3–6 mi) below the ocean floor, and 20 to 90 kilometres (10–60 mi) beneath typical continental crusts, with an average of 35 kilometres (22 mi).

Named after the pioneering Croatian seismologist Andrija Mohorovičić, the Moho separates both the oceanic crust and continental crust from underlying mantle. The Mohorovičić discontinuity was first identified in 1909 by Mohorovičić, when he observed that seismograms from shallow-focus earthquakes had two sets of P-waves and S-waves, one that followed a direct path near the Earth's surface and the other refracted by a high-velocity medium.[4]

What type of rock is most likely to form in an earthquake zone?
A. Extrusive igneous rock
B. Sedimentary rock
C. Metamorphic rock
D. Intrusive igneous rock

Answers

Answer:

C. metamorphic rock

Explanation:

Although metamorphic rocks typically form deep in the planet's crust, they are often exposed on the surface of the Earth. This happens due to geologic uplift and the erosion of the rock and soil above them. At the surface, metamorphic rocks will be exposed to weathering processes and may break down into sediment. hope this helps you :)

What is latitude and what is longitude *a simplified definition of both*

Answers

Answer:

Latitude is the angular distance of a place north or south of the earth's equator, or of a celestial object north or south of the celestial equator, usually expressed in degrees and minutes. (left to right)

longitude is the angular distance of a place east or west of the meridian at Greenwich, England, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes.(up and down)

Explanation:

If you were to climb to the top of the highest peak in the Himalayas and look northeast, which of these physical features would you looking at?

Answers

Tibetan Plateau

hope this is it

You live in the northeast US, and over the course of a particular winter, you experienced frequent snow, poor weather, and well below normal temperatures. Your friend, who lives in the southwest US, experienced mostly fair weather and average (mild) temperatures through that same winter. Based on the discussion of mid-latitude cyclone formation in chapter 12, explain why this pattern of winter weather in each location would likely persist every winter. View keyboard shortcuts 12pt Paragraph

Answers

Answer:

otro tepdopr ayuard a

Explanation:

graas or ploasc untos

pi

Answer:

climate

Explanation:

what places or were earthquake do not occur​

Answers

Answer:

Florida and North Dakota are the states with the fewest earthquakes. Antarctica has the least earthquakes of any continent, but small earthquakes can occur anywhere in the World.

Explanation:

Hope this helps

The Milankovitch cycles describe the change in ________ because of changes in the ________ of Earth relative to the Sun.

Answers

Answer:

The Milankovitch cycles describe the change in eccentricity because of changes in the orientation of Earth relative to the Sun.

The Milankovitch cycles are those cycle that is described as the collective changes in the climate over thousands of years. Factors like axial tilt, eccentricity, precession index are some of the hypothesized variations.

Thus the cycle describes the changes in the way the earth orbits the sun. Due to the changes in the orbit of the earth related to the sun. Or the differential orbital position of the un in relation to the inclination. Natural global arming and cooling is considered to be initiated by these cycles.

Learn more about the Milankovitch cycles describe.

brainly.com/question/4338015.

If a mineral has a parent to daughter ratio of 1:3 (one parent atom for every three daughter atoms), how many half-lives have passed since the mineral formed?

a. 0
b. 1
c. 2
d. 3
e. 4

Answers

Answer:

c. 2

Explanation:

Given that

Parent to daughter ratio = 1:3

Based on the above information, after considering the 1 half-life of radioactive isotope there is one-half of the real radioactive atoms of the parent left also the equivalent number of daughter atoms produced

Therefore after one half, the ratio between parent and daughter atom is 1:1

Now after the second half, half of the left parent atom would be transformed into the daughter cells

This remains a quarter of parent atom and 3 quarter of daughter atoms

So, the ratio of 1:3 would be shown after 2 half-lives

Arrange the events in the order that they’re likely to occur leading up to the formation of a solar system.
The temperature increases.
The nebula shrinks.
The nebula spins.
A cloud of dust and
gas forms.
The nebula flattens into
a disk.
Nuclear fusion takes place.












Answers

Answer:

1. A cloud of dust and gas forms

2. the nebula flattens into a disk

3. the nebula shrinks

4. the nebula spins

5. nuclear fusion takes place

6. the temperature increases

Answer:The temperature increases.

The nebula shrinks.

The nebula spins.

A cloud of dust and

gas forms.

The nebula flattens into

a disk.

Nuclear fusion takes place.

Explanation:i got it correct on plato

Based on the population density maps above, what can be inferred about Britain’s migration patterns? A. The population of Britain was greater in 1701 than in 1911. B. Britain was more densely populated in 1911 than in 1701. C. Fewer people lived in urban areas in 1911 than in 1701. D. The northern part of the island was more densely populated than the southern part in 1701.

Answers

Answer:

i think its A sorry if its wrong

Explanation:

According to the lecture, the urban environment/landscape of Megalopolis includes all of the following EXCEPT:________
A. A growth pattern that followed transportation corridors
B. Little variation in land use
C. Cultural institutions
D. Most of the construction of beltways and parkways took place after World War II
E. Places that import what they lack from places that have a surplus

Answers

Answer:

B. Little variation in land use

Explanation:

Megalopolis is defined as a combination of two or more urban cities. This was formed as a result of a large increase in developing urban regions of the country and is characterized by a large growth pattern. It has a high variation in the land use.

It also has growth pattern that followed transportation corridors, cultural institutions, a majority of the construction of beltways and parkways took place after World War II and places that import what they lack from places that have a surplus.

Map of the United States shows a highlighted area encompassing much of the southwestern United States, particularly along the Rio Grande and Rockies.

Which weather event would most likely take place in the ecosystem highlighted on this map?

A. Blizzard, because the ecosystem is very cold and wet
B. Drought, because the ecosystem is very dry
C. Hurricane, because the ecosystem is near a coastline
D. Thunderstorm, because the ecosystem is humid and wet

Answers

The Answer is B.

This is because the Rockies has a very dry climate that doesn’t receive much rainfall. So, the chances of a drought are the highest.
The answer is B that’s the correct answer

What character motivation advances the plot?
This motivation moves the rising action toward what
Event?

Answers

Answer:

1 the vizir's envy

2 the Kong rebuking the vizir

Explanation:

Answer:

1. The vizirs envy

2. The King rebuking the vizir

Explanation:

I just did it on edge.

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