About what fraction of the Earth’s atmosphere is NOT made of nitrogen? Give your answer as a reduced fraction.

Answers

Answer 1

Answer:

The answer is 1/5....

Explanation:

The answer is 1/5, I did the math. Hope this helps!


Related Questions

A fossil that can be used as a marker in time is called a

Answers

Answer:

Index fossils (also known as guide fossils or indicator fossils) are fossils used to define and identify geologic periods (or faunal stages). Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends.

Explanation:

hopefully that helps you

Index fossils are fossils that can serve as chronological markers.

What are index fossils?

Fossils used to describe and identify geologic periods are called index fossils, sometimes known as guide fossils or indicator fossils (or faunal stages). Index fossils must have quick evolution, a broad geographic distribution, and a narrow vertical range. Zone fossil is another phrase used when a fossil has all the characteristics listed above but does not have a widespread geographic distribution, is restricted to a zone, and cannot be used to correlate strata.

The preserved remains of particular species can be found in sedimentary rock strata as index fossils. Geologically speaking, they either lived for a little amount of time or fully disappeared from the planet during a known extinction event. They are clearly identifiable by shape.

Learn more about index fossils, from:

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Asappp plz!!!!3. Which term below does not describe a world climate region?
inland
continental
polar
tropical

Answers

An Inland does not describe world climate region

What is involved in the sacred pipe ritual performed during the sun dance ceremony?
A.
individual purification in a sweat lodge
B.
offering of prayers to the four directions, the Earth, and the sky
C.
healing of people through the use of sacred objects
D.
dancing to drumbeats while facing the sun

Answers

What is involved in the sacred pipe ritual performed during the sun dance ceremony?
A.
individual purification in a sweat lodge
B.
offering of prayers to the four directions, the Earth, and the sky
C.
healing of people through the use of sacred objects
D.
dancing to drumbeats while facing the sun

Tolerance of conquered people
• Built a road system
Practiced Zoroastrianism
which empire is best described by this list?
A Macedonian
B Persian
C Roma
D Egyptian

Answers

Answer:

The correct answer is B Persian .

Explanation:

B is the correct answer, because it is the only country where Zoroastrianism was the official religion in the Persian Empire. Even during the reign of Cyrus religious liberties were established, and the whole country was well-connected.

All other answers are wrong, as this countries didn't have Zoroastrianism as official religion. Of course, for examples Roman built roads, Macedonian Empire was one of the world's most tolerant empire, but only B is the correct answer here.

Most Southeast Asians work in the ______ industry.

Answers

the land of smiles

a romantic opera in three acts by Franz lehar

How much of the world's population is in Asia?

O 1/5
O 2/5
O 3/5
O 4/5

Answers

It takes up 60% or 3/5

describe the importance of growing plants

Answers

Answer:

Many human needs are met by plants and trees.

Most human needs for food, clothing, energy and medicinal needs are all met by plants and fruits, meat plants. Animals also depend on the existence of plants, meat fruits, and plants. Oxygen supply, carbon uptake from the environment and rainwater uptake into the soil, soil stabilization and prevention of soil erosion (high winds and showers) are other benefits of trees and plants in the environment.

The green space and the floral aroma of plants brought peace, joy and happiness to human beings. One of the most important places covered with trees and green space is the best place for recreation and human leisure. Existence of green space and trees can make the environment happy in landscapes and increase human life. Foliage of trees and plants absorbs airborne dust and reduces air pollution.

Airborne lead is the result of the activity of industrial units and motor vehicles and is one of the toxic and dangerous substances for humans, which is absorbed through respiration and has adverse effects and consequences on human health, which are caused by dense trees.

PLS HELP, WILL REWARD BRAINLIEST ASAP!!

Answers

Answer:

B

Explanation:

Which percentage of the Middle Atlantic people work in manufacturing?

25%
33%
50%
66%
PLZ HELPPP!!!!
:-[

Answers

The answer is 66% :)

Answer:

im pretty sure the answer is 66 % !

A 30 foot ladder is leaned against a wall.
If the base of the ladder is 6 feet from the
wall, how high up the wall will the ladder reach?

Answers

Answer: 90

Explanation:

= 1/2 x 30 x 6

= 1/2 x 180

after simplifying them you get 90ft.

Therefore, the ladder will reach 90ft high up the wall.

Please mark as brainliest if you want.

What is a continent?
Which is a continent the Arctic or the Antarctic? Explain your answer...PLEAZ​

Answers

a continent in the world you can tell Asia is a continent

Explanation:

The Arctic aur Antarctica II is not a continent country

What is the outcome of hotspots?

A. Formation of islands

B. Constant volcanic eruptions

C. Divergent boundary creation

D. Transform boundary creation

Answers

Answer:

A) Formation of islands

Explanation:

The outcome of hotspots is the Constant volcanic eruptions. Thus, the option (b) is correct.

Waht is hotspots?

A hotspot is a huge plume of heated mantle layer that rises from the planet's interior. Tectonic plate borders have no bearing on where a hotspot is located on the surface of the planet. Similar to how a line of melted wax appears when a sheet of parchment paper is slowly dragged over a burning candle, a line of volcanoes develops as a plate moves over a hotspot.

These same "hotspot" volcanoes are formed when a slender stream of hot crust rises up from the core of the earth and melts a fissure in the plate to allow magma to seep upward. Continuous volcanic outbursts are the result of hotspots. When one of the Earth's plates passes over an abnormally hot region of the mantle, hotspots develop.

Therefore, option (b) is correct.

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Describe the global demand for oil over the past few decades. How much oil was being produced daily?

Answers

The demand has overwhelming. Oil is currently being used for several purposes. Whether it be cars, airplanes, genarators, it requires oil to to work. 80 billion gallons oil is produced per day

Identify two accomplishments of Ashoka.
Extended the influence of
Hinduism
Expanded the Mauryan
Empire
Founded the Mauryan
Empire
Extended the influence of
Buddhism

Answers

Answer:

Correct answers are Expanded the Mauryan  Empire  and Extended the influence of  Buddhism.

Explanation:

Ashoka wasn't the founder of the dynasty, that was his grandfather, but expanded it to its greatness in the 3rd Century BC. He was not a tolerant leader, but in one moment he had religious enlightenment, after which he embraced Buddhism and spread this religion across the country.

Select the correct answer.
Where do tectonic activities, such as earthquakes or volcanic eruptions, tend to occur?

A.
near plate boundaries

B.
near all mountains

C.
in the center of continents

D.
only on the ocean floor

Answers

Answer: A

Explanation:

The tectonic plates press and push against one another until one plate quickly and abruptly rises above the other. Thus an earthquake develops or a volcano will erupt from the pressure below.

I’m pretty sure it’s C but I could be wrong

One limitation of using Polaris to determine the latitude of a location is

Answers

Is it supposed to be true or false?

A large city that is often the center of a state or empire is called a __________.
A.
county
B.
village
C.
kingdom
D.
metropolis

Answers

Answer:

Correct answer: D. Metropolis

Explanation:

I took the quiz on edge 2020 and D was correct

plzzzzzz helpppppppp. Using complete sentences, explain what made the environment of the Aztec city Tenochtitlan unique. Identify at least
two ways that people adapted to the environment there.

Answers

Answer:

Explanation:

It was unique because Built on an island on a Lake, it had a system of canals and causeways that supplied the hundreds of thousands of people who lived there. he Aztecs were able to settle there because no one else wanted the land. At first, it wasn't a great place to start a city, but soon the Aztecs built up islands where they could grow crops and start an economy.

i dont understand how to do this and grades are put in today and im failing badly

Answers

I hope you do ok I looked at it but was confused

The layers of the earth are arranged by different what?
density
rocks
seismic waves
colors
(pls help)

Answers

Answer:

rocks

Explanation:

The correct answer is rocks

All Central American countries have which of the following features in common?

Answers

Answer:

A common geographic  feature  among Central American countries (there are seven: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, and Panama) is the chain of rugged mountains that  extends through the middle of the region. The  highest point of this chain of mountains is 14,000 ft in Guatemala.

Explanation:

Which of the following is extrusive

A. Lava
B. Magma
C. Laccolith
D. Batholith

Answers

The best answer choice would be B

Answer:

A. Lava.

Explanation:

How does land pollution affect the environment

Answers

[tex]\huge\boxed{\fcolorbox{cyan}{pink}{❥ Answer}}[/tex]

Industrial and agricultural activities often release contaminants into the environment that can disrupt the various species living in an ecosystem. From toxicity to radioactivity, contaminants can have a wide range of effects on organisms. These effects depend on the nature of the contaminants and how long they persist in the environment. While pollution severely affects plant life in an ecosystem, the EPA is utilizing plants to actually draw contaminants out of the environment.

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PLZ HELP ME I NEED THE ANSWER IDK WHAT IT IS!!!!!!!!!
San and Francisco want to help cut back on the large levels of air pollution in their city. Which of the following steps should they take?

A.use public transportation systems less often


B.drive her personal car as often as possible to help raise emissions


C.try to use her city’s bus system more often


D.purchase a less fuel-efficient vehicle

Answers

Answer:

use public transportation system less often

Asapppp!!!!Plz !!!! -What factors make it difficult for scientists to classify world climate regions?
A
B
C
D

Answers

I think it’s c I’m not sure sorry if I’m wrong

Answer:

I would say C

Explanation:

changing conditions and a lack of something are always negative factors

Why does temperature decrease with increasing altitude in the
troposphere?

Answers

In the troposphere, the temperature generally decreases with altitude. The reason is that the troposphere's gases absorb very little of the incoming solar radiation. Instead, the ground absorbs this radiation and then heats the tropospheric air by conduction and convection.

Name human factors influencing borders?

Answers

Answer:

These factors of shape and size can influence the ways in which human activity is structured; for example, land use, transportation, and settlement patterns. Sometimes the shape and size suggest that a country may want to expand its borders in order to increase its size, change its shape, and/or control more resources.

I tried, hope this helps :)

will you’ve brainliest to whoever is right :)

Answers

Answer:

hindusuem

Explanation:

Answer:

Hinduism

Explanation:

I OFFER 100 POINTS AND BRAINLIEST!!!!!!!!!!!!!!!!! HELP ASAP
In recent years, many Arab and African migrants have braved the waters of the Mediterranean to find a better life in southern European countries like Spain. According to the article, how has the migration of people from Africa affected Spain socially, economically, and politically? (Please make sure to use full sentences and don't use words like: they) (<-Only if you can, thnx ;)

Answers

Explanation:

read the attachment above.please mark me as brainliest

pls help me last question need it fast like right know

Summarize major sources of waste and how each is recycled make a chart and/or
bulleted list

Answers

Answer:

° paper such as boxes, books, newpapers are wastes that can be recycled with a machine

° alluminum cans which can be melted into ingots

° Glass can be recycled by being crushed and melted

° Oraganic waste can be composed

Explanation:

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