Question
Nuclear fission is an alternative energy source. Explain.

Answer

Fission of $1$ gram of uranium$-235$ produces about $24,000 kW/h$ of energy.
This is the same amount of energy produced by burning $3$ tons of coal or $12$ barrels of oil, or nearly $5000 m^3 $of natural gas.
The sources like coal, oil, natural gas are depleting very fast.
Also, the costs of petrol and other products from petroleum industry is increasing.
Thus, we need to depend on the nuclear fission as an alternative source of energy for electricity.

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