How are nuclear reactions used to meet the world’s energy needs? A. Both fusion and fission are used to generate electricity, but more fission reactors than fusion reactors are in use.
B. Fission reactors are used to generate electricity, but fusion is not yet practical enough to be used.
C. Both fusion and fission are used to generate electricity, but more fusion reactors than fission reactors are in use.
D. Fusion reactors are used to generate electricity, but fission is not yet practical enough to be used.

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Explanation:

A. Both fusion and fission are used to generate electricity, but more fission reactors than fusion reactors are in use.

Explanation:

Nuclear energy originates from the splitting of uranium atoms – a process called fission. This generates heat to produce steam, which is used by a turbine generator to generate electricity. Because nuclear power plants do not burn fuel, they do not produce greenhouse gas emissions.

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3. when u click on your profile pic, there appears four options on the top.

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6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

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