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inysia [295]
3 years ago
12

Why does the earth have different layers?

Biology
1 answer:
Rudik [331]3 years ago
4 0

Explanation:

because at is formed,the lighter part floats on the surface and the really heavy part (like iron and nickel in the core)sank to the middle

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Answer: D

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D is the answer

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if the velocity of a vehicle starting from rest reaches 5m/2s in 2seconds, is the velocity of the vehicle uniform ?explain.​
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Explanation:

Avg speed × total times = total distance

20×25=500

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