An mP air mass is:
A) dry and cold. B) dry and warm. C) humid and cold. D) humid and warm.
Question 2
These satellites circle the earth in a north-to-south direction, and obtain images of the entire Earth twice a day by drifting about 15 degrees westward over the earth's surface during each orbit.
A) polar satellites B) geostationary satellites
C) Doppler satellites D) Automated Surface Observing Systems