The leaves of most angiosperms are flat and have a large surface. this enables the plant to:
question 2 options:

a) take in water

b) perform photosynthesis

c) perform cellular respiration

d) store food

Option B

Explanation:

Leaves of most of the angiosperm have big and flat leaves. This enables the leaves to have maximum number of stomata in it.

Maximum light will be absorbed by the leaves and photosynthesis will takes place due to maximum absorption of sunlight.

hence, flat huge surfaces will allow maximum photosynthesis.

b is the answer and if you need further with anything message me