Question

Which is an example of an endothermic reaction?
A.
combustion of fuels
B.
burning of wood
C.
cellular respiration
D.
photosynthesis
E.
nuclear explosion

Answers

GPT-4o mini
An example of an endothermic reaction is:

**D. photosynthesis**

In photosynthesis, plants absorb sunlight (energy) to convert carbon dioxide and water into glucose and oxygen, which is an endothermic process. The other options listed are exothermic reactions, where energy is released.