Question

Why does the majority of photosynthesis occur in the leaves:1: roots are not exposed to sun since they are underground2: leaves contain chloroplasts which create store energy molecules3: all answers are correct

Answer 1

The correct option is 3.

The leaves have specific shapes that create the most efficient surface to absorb sunlight. Also, stomas are found mostly on the leaves, structures that allow the gas exchange: the CO2 enters into the leave, and O2 leaves it.