Why do grass, needles, and shrubs burn easier and faster than ...

[plus1]

Why do grass, needles, and shrubs burn easier and faster than trees?
   a. They have a large surface area compared with their total mass.
   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.

Question 2

Between 2001 and 2009, what percentage of California forest fires was lightning-caused?
   a. 2 percent
   b. 5 percent
   c. 10 percent
   d. 17 percent
   e. 30 percent

[deja]

Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: b