HW Chpt 8

Question 1

What is composed of the layer of gases that surrounds the planet?

Answer 1

atmosphere

Question 2

Oxygen represents about what percent of the atmosphere?

Answer 2

21%

Question 3

Nitrogen represents about what percent of the atmosphere?

Answer 3

78%

Question 4

What is defined as local scale atmospheric conditions as defined by temperature, atmospheric pressure, relative humidity, wind speed, and precipitation.

Answer 4

weather

Question 5

What is defined as the average, range, and variation of weather conditions in a region over decades to millennia?

Answer 5

Climate

Question 6

Fill in the blank: The __________ at which air molecules move; the higher the temperature.

Answer 6

faster speed

Question 7

The lowest layer of the atmosphere is what?

Answer 7

Troposphere

Question 8

Relative humidity is a measure of the moisture content of air. It is calculated by

Answer 8

dividing the vapor pressure by the saturation vapor pressure of the atmosphere.

Question 9

Monsoons occur where

Answer 9

regional winds blow toward both ocean and land surfaces.

Question 10

Clouds at ground level are referred to as

Answer 10

fog