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Hatshy [7]
2 years ago
6

Trái đát có mấy đại dương

Geography
1 answer:
Varvara68 [4.7K]2 years ago
5 0

Như bất kỳ học sinh cấp lớp nào có thể nói với bạn, Trái đất có bốn đại dương: Thái Bình Dương, Đại Tây Dương, Ấn Độ Dương và Bắc Cực. Về mặt lịch sử, hầu hết các quốc gia đều công nhận mô hình 4 đại dương này, có xu hướng tập trung vào Thái Bình Dương, Đại Tây Dương và Ấn Độ Dương là các đại dương chính.

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Answer:

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Explanation:

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3 years ago
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An asteroid is in circular orbit around the Sun. Its distance from the Sun is 7.3 times the average distance of Earth from the S
satela [25.4K]

Answer:

An asteroid is in circular orbit around the Sun. Its distance from the Sun is 7.3 times the average distance of Earth from the Sun. The period of this asteroid is  C : 20 Earth years .

Explanation:

Kepler's law

T² ∝ R³

T = orbital period of the planet

R = semi major axis of the orbit.

Now

( T₁ / T₂ )² =  ( R₁ / R₂ )³

T₁ =  Earth time period = 1 year

T₂ = Asteroid time period

R₁ =  The distance between Earth and Sun

R₂ = The distance between Asteroid and Sun

From the question ,

R₂ = 7.3 R₁

applying on the above equation ,

( T₁ / T₂ )² =  ( R₁ / R₂ )³

( 1 / T₂ )² = ( R₁ / 7.3 R₁ )³

( 1 / T₂ )² = ( 1 / 7.3 )³

T₂ = 19.7 year

Hence ,

approximately T₂ = 20 years.

The period of this asteroid is  C : 20 Earth years .

8 0
3 years ago
Provide a one paragraph summary (at least 5 sentences) of Ohio's geologic history.
Vlad1618 [11]

Answer:

Summary:

Explanation:

Around 1 million years ago, the first of a few glaciers moved south into what is now Ohio. Approximately 2/3 of the state was covered to their maximum extent. Glaciers scraped a lot of Ohio's surface, including its bedrock. They also left deposits of clay, sand, gravel, and rock as they melted back. During this period, humans appeared in what we now call the "Old World." At some point around the end of the Quaternary Period, groups of people migrated to the "New World," and eventually reached what would later become Ohio.

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d i think is the answer .

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san4es73 [151]
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So it might also be deforestation. I hope that helps and I apologize in advance if I’m wrong.
7 0
2 years ago
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