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24 February, 20:36

1. Energy from the sun comes from fusion.

What happens during that reaction?

Helium turns into hydrogen.

Oxygen turns into carbon dioxide.

Carbon dioxide turns into oxygen.

2. Hydrogen turns into helium.

Which star is closest to earth?

Polaris

the Milky Way

the sun

Sirius

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Answers (2)
  1. 24 February, 20:53
    0
    The sun
  2. 24 February, 20:58
    0
    The sun is the closest to earth
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