The primary energy sources that make the Earth an active body include all but which of the following?

Question

Quizplus · Accepted Answer

Photosynthesis is not a primary energy source that makes the Earth an active body, as it is a process that occurs within living organisms and does not directly contribute to the Earth's overall energy balance. The other choices - the Earth's internal heat, the Sun, gravity, and the impact of extraterrestrial bodies - all play important roles in driving geologic activity and other processes on Earth.

The Primary Energy Sources That Make the Earth an Active