Which of these statements best compares the processes by which energy is produced in the sun and nuclear power plants? a. atoms fuse in the sun, but atoms break up in nuclear power plants. b. atoms break up in the sun, but atoms fuse in nuclear power plants. c. atoms of elements in the sun expand to emit heat and nuclear energy. d. atoms of elements in the sun contract to emit heat and nuclear energy.

A. Atoms fuse in the sun, but break up in nuclear power plants.

Explanation:

In the Sun occurs a phenomenon called Nuclear Fusion, there a massive fusion reaction is constantly occurring with the presence of hydrogen and helium.

On the other hand, nuclear power plants collide neutrons against uranium atoms to split them. So, this split provide neutrons from uranium, which collide with other atoms causing a chain reaction, releasing high power energy.

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