How does water enter the atmosphere?

How does water pollution affect the environment

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule