____________ of hydrogen atom nuclei replace the heat the sun ____________ to keep it in equilibrium.
A) Nuclear fusion reactions; loses into space
B) Nuclear fusion reactions; gains from empty space
C) Chemical reactions; loses into space
D) Chemical reactions; gains from empty space
E) Nuclear fission; loses into space

Question

Quizplus · Accepted Answer

The sun is able to maintain its equilibrium through nuclear fusion reactions, which involve the fusion of hydrogen atoms to form helium. This process releases huge amounts of energy in the form of heat and light. If the sun were to lose heat into space without replenishing it through fusion reactions, it would eventually cool and run out of fuel. Therefore, option A is the correct choice as it correctly identifies the process that replaces the heat lost into space.

____________ of Hydrogen Atom Nuclei Replace the Heat the Sun