If the flow of air into a surface low pressure area is greater than the divergence of air aloft, the surface pressure in the center of the low will
a. increase.
b. decrease.
c. remain the same.
d. deepen.
Question 2
The piling up of air above a region is called
a. thickening.
b. divergence.
c. cyclogenesis.
d. convergence.
e. zonal front.