Stars obtain their energy from: 1.Nuclear fusion 2. Gravitational contraction 3. Chemical reaction 4. Nuclear fission Select your answer from the codes given below : Codes : - Study24x7
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Stars obtain their energy from: 1.Nuclear fusion 2. Gravitational contraction 3. Chemical reaction 4. Nuclear fission Select your answer from the codes given below : Codes :

A

1 and 2

B

1, 2 and 3

C

1 and 4

D

2 and 4

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