Why do most tornadoes in the central U.S. occur during the spring ...

[Bernana]

Why do most tornadoes in the central U.S. occur during the spring months?
 
  A) Solar energy is a maximum.
  B) Air-mass contrasts are greatest.
  C) Surface air is most humid.
  D) Divergence of air aloft is greatest.
  E) Upper-air temperatures are warmest.

Question 2

Which of the numbers listed below best represents the percentage of thunderstorms that produce tornadoes?
 
  A) nearly 25 percent B) slightly more than 50 percent
  C) fewer than 1 percent D) about 10 percent

[karlss]

Answer to Question 1

B

Answer to Question 2

C

[Bernana]

Wow, this really help

[coreycathey]

Thanks for the timely response, appreciate it