Question

1. fill in the blanks. there are two types of nuclear reactions, fusion and fission. fusion involves combining particles together. this is the reaction that occurs in the sun. fission involves a heavy nucleus into smaller particles. this is the reaction that produces nuclear energy

Explanation:

Nuclear fusion combines light - weight particles to release energy and occurs in the sun. Nuclear fission breaks a heavy nucleus into smaller particles to produce nuclear energy.

Answer:

Fusion involves combining particles together. This is the reaction that occurs in the sun. Fission involves breaking a heavy nucleus into smaller particles. This is the reaction that produces nuclear energy.