Which statement best describes the relationship between changes in air pressure and wind speeds?
Options:
A. When a high- and a low-pressure air mass are far apart, air moves slowly from high to low pressure.
B. When a high- and a low-pressure air mass are far apart, air moves quickly from low to high pressure.
C. When a high- and a low-pressure air mass are close together, air moves slowly from high to low pressure.
D. When a high- and a low-pressure air mass are far apart, air moves quickly from high to low pressure.