Question

What provides the main energy source for the reaction?
A. Sunlight
B. Methane
C. Minerals
D. Starch

Answer 1

The main energy source for the reaction would depend on the context of the reaction in question. However, if we are discussing a process like photosynthesis, the answer would be:

A. Sunlight

If the reaction involves some type of combustion where methane is burned, then it would be:

B. Methane

For biochemical reactions involving energy storage, starch could be considered a source of energy. However, without specific context, the most common answer related to natural processes is:

A. Sunlight