Fact 1: Darkness has a negative impact on photosynthesis.

Fact 2: For example, the sun releases energy needed to drive photosynthesis.

Given the two facts above, answer the question "Darkness has what sort of impact on the energy the sun releases? " with the following options: 
- ligt
 - forces
 - Light
 - Temperature
 - heat energy
 - photons
 - sunlight
 - Negative


 

        Negative 