A. Continental polar air mass C. Continental tropical air mass B. Maritime polar air mass D. Maritime tropical air mass

___ 1. Warm and humid air mass.
___ 2. Warm and dry air mass.
___ 3. Cold and dry air mass.
___ 4. Cold and humid air mass.
___5. Air mass coming from Canada
___6. Air mass coming from Mexico
___ 7. Air masses from the Pacific and Atlantic ocean close to the north pole.
___8. Air masses from the Pacific and Atlantic ocean close to the equator.

PLEASE HELP NOW!
POINT: 40
SCIENCE!