ESS
Grade-9
Easy
Question
The star gets denser and hotter eventually converting in to helium by the process of _____.
- Friction
- Conduction
- Nuclear fusion
- Nuclear fission
Hint:
Stars use nuclear fusion to generate energy.
The correct answer is: Nuclear fusion
- Stars use two hydrogen atoms and fuse them under immense pressure.
- Helium and energy is formed as products.
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