Which of these describes a benefit of nuclear fusion? A. Nuclear fusion uses less power than nuclear fission.
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B. Waste products have a longer half-life.
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C. Control rods must be used to prevent runaway chain reactions.
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D. Hydrogen is more available than uranium-235.

D is the answer

Hoped I helped :]

d.) circle motion requires a force to give it a centripetal acceleration.

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.