Question

Photosynthesis is an example of

a. an exothermic reaction.
b. an endothermic reaction.
c. a reaction that gives off heat.
d. a reaction that emits energy.

Answer 1

Endothermic

Step-by-step explanation:

Light is absorbed to synthesize glucose (well really G3P) from CO2 and sunlight.

Answer 2

b.an endothermic reaction