How can scientists use rock layers to determine when environmental changes occurred throughout Earth's history?

Answers

Answer 1

Scientists devised the geologic time scale after noticing differences in fossils as they progressed from oldest to youngest sedimentary strata. They divided Earth's past into many pieces of time when similar creatures were on the planet using relative dating.

Geological time units are based on visible, sequential changes in Earth's rock layers. In geology, the Law of Superposition asserts that sediment and rock strata are deposited in chronological order, with the oldest layers on the bottom and the youngest ones on top.

Answer 2

Answer:

fossils found in different rock layers can help scientists determine the age of rocks and what environment therein. The textures of each sedimentary layer tells us the environment that was present at that location when the layer formed

Explanation:

hope it helps


Related Questions

How does the earth move on its axis?
O revolves
O rotates
O gyrates
sways

Answers

Answer: Rotates

Explanation:

the earth rotates on its axis

Why are the Caribbean islands a tourist attraction

Answers

nckdkdkffkjccjcmckdl

Line AB passes through points A (-3, 1) and B (3, 3) as shown on the coordinate grid. The
slope of the line is 1/3.
Which equations for line CD is PARALLEL to line AB and contains the point (6,5)?

Answers

Answer:

y=(1/3)x + (13/3)

Explanation:

since line cd is parallel to Ab gradient is same for both line.

Therefore equation of line cd

y= (1/3)x + c

6= (1/3)*5 +c

c = 6-(5/3)

c = 13/3

Think about the rain shadow effect. Explain how the Earth’s systems (spheres) are interacting.
Hydrosphere
Biosphere
Geosphere
Atmosphere

Answers

well, the hydrosphere is moving water to provide life for the biosphere. the geosphere is blocking the rain from the hydro and atmosphere from producing life past where it is blocking, so, in essence, the hydrosphere is "moved" into the atmosphere, where it drops onto the geosphere, creating the possibility for life in the biosphere everywhere that is not being "bullied" for lack of better term by the mountains blocking rain.

I don't get this question can somebody please explain it to me? Thank You!

Answers

Just name 3 things that aren’t living, like rocks, etc in your local area!! I hope that makes you understand! ^-^

A person would most likely see small rodents such as rats and hedgehogs in this area due to considerable farming?

Answers

to be completely honest many people see them as those but I would have to say the public? ~ I would necessarily trust this answer

Which of the earth’s spheres is made up of all living things ?

Answers

Answer:

The biosphere

Explanation:

It contains all plants, animals, and other organic material

Connection between countries of the world who have in recent history

-remained the same
-increased
-decreased

Answers

Answer:

Increased

Explanation:

Due to the innovation in both communication and transportation technology, it is very easy for a person to reach out to other people who live in another country.

As a result, connection between countries were increased rapidly.

For example, now it is easier for local companies to collaborate with foreign supplier to market their product in that foreign countries. Not only that, it is also very easy for people to reach out to a high government officials from another country by using social media.

Select the correct answer.
Forces that bind countries together are called:
O A Centripetal Forces
OB. Centrifugal Forces
OC. Opposing Forces
OD.
Centimeter Forces

Answers

they’re called centripetal forces

A meteorologist wants to measure the temperature. Which weather instrument should the meteorologist use

Answers

Answer:

Thermometer

Explanation:

Because thermometer measures the air and temperature

Name the two layers of lithosphere​

Answers

Answer:

The upper mantle and crust.

Answer:

the upper part wch is the mantle, and the crust wch is the crust

How do the "laws of supply and demand" operate in a market economy?

Answers

Answer:when demand increases and supply remains the same, the higher demand leads to a higher equilibrium price and vice versa.

Which of these cities is in the
Southern Hemisphere: Paris,
France; Tokyo, Japan; Lima,
Peru; Washington, DC?

Answers

Answer:

[tex]\huge\boxed{\text{Lima, Peru}}[/tex]

Explanation:

If a city is in the Southern Hemisphere, it is below the Equator, or at latitudes less than 0°.

Paris, France is located in Europe. The entirety of Europe (not including territories) is in the Northern Hemisphere. So this is eliminated.

Tokyo, Japan is in the Pacific Ocean between Russia and China. Both of these countries are completely in the Northern Hemisphere. This is also eliminated.

Lima, Peru is located in South America - the entire country of Peru is located within the Southern Hemisphere, meaning that this city is in the Southern Hemisphere.

Washington DC is located in the USA, which is completely in the Northern Hemisphere (excluding territories). This is eliminated.

Hope this helped!

Answer:

Lima, peru

Explanation:

........

✌️❤️✌️

Rainfall is measured by?​

Answers

Answer:

Inches

Explanation:

Thats what rainfall is measured in

Answer:

Rainfall is measured by millimeters (mm) or inches (in)

Which phrase describes organisms that formed index fossils?

1 are extinct
2 had soft parts
3 were generally large
4 lived in a narrow geographic area

Answers

Answer:

1. are extint.........

Answer:

1).are extinct

Explanation:

just got it right on a quiz

What is a scientific theory

Answers

Answer:A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment.

Explanation:

Question 1
This geological phenomena created a line of cliffs along which many
cities were built.
The Atlantic Fall Line
Rocky Mountains
The Coastal Plain
The Canadian Shield

Answers

Answer:

The Canadian Sheild

Explanation:


What factors are responsible for the increasing rate of population growth in Ghana in recent years.

Answers

the number of Male per females

which religion is most closely associated with Arabic?

Answers

Answer:

Islam. Islam is the most widely followed religion in the Middle East. About 20% of the world's Muslims live in the Middle East. Islam is a monotheistic religion, teaching belief in one God (Allah) and is based on the Quran.

Explanation:

Answer:

Arabic is a Semitic language that first emerged in the 1st to 4th centuries CE. It is now the lingua franca of the Arab world. It is named after the Arabs, a term initially used to describe peoples living in the area bounded by Mesopotamia in the east and the Anti-Lebanon mountains in the west, in Northwestern Arabia and in the Sinai Peninsula. Arabs - Religion. Perhaps the most common Arab characteristic is adherence to the Islamic faith. Muslim Arabs comprize about 93 percent of the Arab population and belong to several different sects including Shia (Ithna Ashari and Ismaili), Alawi, Zaidi, and Sunni, which is the largest.

Explanation:

Scientists have found that mountain ranges from different continents show rocks that are similar in age and sequence. Based on these observations, what conclusions can be made. *

Answers

Ik who can help you!!!

Scientists have found that mountain ranges from different continents show rocks that are similar in age and sequence. Based on these observations, what conclusions can be made. *

Answers

UHHHHHHHHH TRYYY AND PUT A PIC ON IT OR DM FOR I COULD HELP YOU I DOMT
UNDERSTAND IT LIKE THAT

Will give brainless please help!! Question: How is a population different than a species?
Thank You!

Answers

Population: Can live in a particular Area
Species Can live no matter what areas

A population is defined as a group of organisms of the same species that live in a particular area. There can be more than one population living within any given area. ... A species is a group of organisms that share similar characteristics and a species can live within many different areas. (hope im right or at least helped!!!!!!!!!!)

Explain what paleomagnetism is and how it supports the theory of continental drift. *

Answers

Answer:

the branch of geophysics concerned with the magnetism in rocks that was induced by the earth's magnetic field at the time of their form. The record of the strength and direction of Earth's magnetic field (paleomagnetism, or fossil magnetism) is an important source of our knowledge about the Earth's evolution throughout the entire geological history. This record is preserved by many rocks from the time of their formation.

Which line represents 0° latitude?

the prime meridian

the equator

the international date line

the Tropic of Capricorn

Answers

Answer:

the equator.

Explanation:

I am like 99 percent sure this is right

Answer:

the answer is the second option

Explanation:

hope this helps

did this on edge

The Dalai Lama is the spiritual leader of __________.
A.
Sikh Hinduism
B.
Tibetan Buddhism
C.
Tibetan Hinduism
D.
Hindu Buddhism

Answers

Answer:

B, Tibetan Buddhism

Answer:

B.) Tibetan Buddism

Explanation:

The political and spiritual leader of Tibet and Tibetan Buddhism

Tibet was conquered by the Peoples Republic of China in 1951

2.2. The Population Reference Bureau reports the world 's mid-2010 population as 6,892 million (or 6.892 billion). If India were to maintain its current fertility rate, how would its 2100 population compare to the current global population, in percentage terms?

Answers

Answer:

Compared to 2100 the present population is 80 : 90 %

Explanation:

According to the population bureau, the population of India in mid-2010 was about 6.8 million, which increased to 1,38 bn in 2020. if the rate of the increasing population continues then India will have 1,447 million (1.09 billion) by 2100 as the world population is estimated to be 16 billion. As India is a developing nation has a large fertility rate but with the passage of time, the fertility rate will decline due to the increse instandrds of living and more working class.

How does the Executive Branch keep the Judicial Branch and Legislative Branch in check?

Answers

Answer:

See below

Explanation:

Other checks and balances include:. Executive over the judicial branch. The president appoints all federal judges. legislative branch must approve appointments that the president makes; the Senate must approve treatjes that the president makes; and the legislative branch may investigate the executive branch.

What was the purpose of the Federalist Papers?

to improve the ideas in the Constitution

to persuade Americans to ratify the Constitution

to defend the Constitution against foreign criticism

to provide historical background of the Constitution

Answers

Answer: The Federalist Papers were written and published to urge New Yorkers to ratify the proposed United States Constitution, which was drafted in Philadelphia in the summer of 1787.

Explanation: Because this show what it is and what I know.

How does glacial ice differ from regular ice?

Answers

Answer:

Glacial ice is a lot more thick and is usually 1/2 a mile thick

Explanation:

Can we have some interesting facts about the Yangtze River!

Answers

Answer:

The Yangtze or Yangzi is the longest river in Asia, the third-longest in the world and the longest in the world to flow entirely within one country. It rises at Jari Hill in the Tanggula Mountains and flows 6,300 km in a generally easterly direction to the East China Sea.

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