GEOGRAPHY HIGH SCHOOL

Earth probably formed _____ years ago, and the first life evolved as early as _____ years ago.

Answers

Answer 1
Answer:

Earth probably formed about 4.5 billion years ago, and the first life evolved as early as 3.5 to 3.8 billion years ago.

Earth Formation (4.5 billion years ago): The estimated age of Earth's formation is approximately 4.5 billion years ago. This age is determined through various dating methods, including radiometric dating of rocks and minerals. Earth's formation involved the accretion of dust and gas in the solar nebula, leading to the creation of our planet.

First Life (3.5 to 3.8 billion years ago): The emergence of the first life forms on Earth is a topic of ongoing scientific research and debate. Fossil evidence is scarce due to the ancient age, but the earliest signs of life, such as stromatolites and microfossils, suggest that life may have evolved as early as 3.5 to 3.8 billion years ago. These life forms were likely simple, single-celled microorganisms, such as bacteria and archaea, adapted to the extreme conditions of the early Earth, paving the way for the evolution of more complex life forms over time.

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Answer 2
Answer:

4.6 Billion years ago;

3.5 Billion years ago

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How have sweatshops improved lives for women in Banglodesh?

Answers

These sweatshops improved lives for women in Banglodesh because they require them to have basic literacy which pushed them into a education in order to work in theses sweatshops

_______:an autonomous region of southwest china that rests on a high plateau north of the himalayas; noted as a center for buddhism since the seventh century?a. tibet,
b. taiwan,
c. hong kong,
d. gobi

Answers

the answer is Tibet because that country is north of the Himalayas and they do buddhism in that country

I have had problems with these questions would anyone be kind enough to help me please.

Answers

Answer: x = 7°, m∠IED = 42°

Explanation:

      These angles given are corresponding angles, meaning that they are congruent by definition.

Given:

  -3x° + 159° = -5x° + 173°

Subtract 159 from both sides of the equation:

  -3x° = -5x° + 14°

Add 5x to both sides of the equation:

  2x° = 14°

Divide both sides of the equation by 2:

  x = 7°

      Next, we can write an equation representing ∠IED, substitute the value of x in, and simplify it to solve. Note that a straight angle is equal to 180 degrees.

Given:

  180° = -3x° + 159° + m∠IED

Substitute known values:

  180° = -3(7)° + 159° + m∠IED

Simplify:

  180° = 138° + m∠IED

Subtract 138 from both sides of the equation:

  42° = m∠IED

Chemical weathering occurs more rapidly in what kind of climates? A. Warm with abundant rainfall B. Cool and dry C. Desertlike D. Cold with high snowfall amounts

Answers

The correct answer here is option A ie "Warm with abundant rainfall" as those conditions will provide a good medium for chemical reactions to create acids and for those inturn to be carries into fissures in rocks etc

Chemical weathering occurs more rapidly in warm with abundant rainfall climates. Correct answer: A

Chemical reaction brake rocks down . The most common in sthe following scenario: rain water reacts with the mineral grains in rocks to form new minerals (clays) and soluble salts.

A continental polar air mass forms ina. the Pacific Ocean.
c. the Gulf of Mexico.
b. northern Canada.
d. the desert Southwest..

Answers

A continental polar air mass forms in  northern Canada.

b. northern Canada.

Where does continental polar air mass form

A continental polar air mass forms in the northern regions of Canada.

These air masses originate over large land areas in high-latitude regions and are characterized by their cold and dry nature.

When a continental polar air mass moves southward, it can bring colder temperatures and dry weather to the areas it affects.

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Answer:

B.......Northern Canada

Large groups of galaxy clusters that appear in sheetlike and threadlike shapes are known as A. superclusters.
B. large clusters.
C. local clusters.
D. Milky Way center

Answers

The correct answer is A. Superclusters.

They are among the largest structures that exist in the cosmos. The milky way is a part of the Laniakea Supercluster.

A. superclusters. ..........
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