2) what is altitude?

AThe distance from the ocean

BThe height above the surface of the earth

CThe amount of water in the air

DThe amount of pressure that air exerts

3) Which of the following is the most responsible for the creation of winds?

AEarths revolution around the sun

Bair pressure differences that make air rise or sink

CThe presence of rain or snow

Dthe layer of the atmosphere

4) Which of the following best refers to an air mass that forms over tropical land?

ATC

BAC

CTE

DPM

5) Which of the following best defines a warm front

Aplace where warm air sinks under cold air .

Bplace where warm air meets cold air and both stay still .

Cplace where warm air pushes down cold air .

Dplace where warm air rises over cold air .

6) as temperature increases , air pressure decreases .

Atrue

Bfalse

7) land warms faster than water during the day and so air breezes move from the land to the sea during the day .

Atrue

Bfalse

8) a low pressure system usually brings clouds and rain

Atrue

Bfalse