Why Do Grass,needles,and Shrubs Burn Easier and Faster Than Trees

Multiple Choice

Why do grass,needles,and shrubs burn easier and faster than trees?

A) They have a large surface area compared with volume of solids.
B) They are close to the ground where the fire is.
C) They are drier than trees.
D) They are closer together than trees.
E) They have fewer green leaves than trees.