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Liula [17]
3 years ago
12

Can someone please help me? There is a picture and I will mark a brainliest! Thanks :)

Geography
1 answer:
nikklg [1K]3 years ago
8 0

i think its A, because the gills of a fish help it produce oxygen to it's blood, without them it would eventually die.

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Andreas93 [3]

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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
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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 .

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Kepler's law

T² ∝ R³

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( T₁ / T₂ )² =  ( R₁ / R₂ )³

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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

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approximately T₂ = 20 years.

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

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