Question

the ultimate source of heat in the process of global warming is a. the burning of fossil fuels b. carbon dioxide c. the sun d. greenhouse gases please select the best answer from the choices provided a b c d

Explanation:

The sun is the primary source of energy for Earth. Global - warming involves the trapping of solar heat by greenhouse gases (including carbon dioxide) which are released by burning fossil fuels. But the ultimate heat source is the sun.

Answer:

C. the sun