Chp 15 Science Test

layer of the atmosphere closest to Earth's surface

the highest layer of the atmosphere

layer of the atmosphere where gases do not mix

middle layer of the atmosphere, the coldest layer

a vehicle that runs on both electricity and gasoline is called a

What is the greatest problem created by the ozone hole

What is the largest source of human-caused air pollution in the U.S.?

Which is an example of a primary pollutant?

what causes local winds?

The winds that blow from the poles to 60 degree latitude in both hemispheres are called

the winds that blow from 30 degrees to 60 degrees latitude in both hemispheres are called

the winds that blow from 30 degrees latitude in both hemispheres toward the equator are called

wind occurs because of differences in

global warming may be caused by

convection is the transfer of energy

thermal conduction is the transfer of energy

radiation is the transfer of energy

most solar energy that reaches Earth's atmosphere is

The protective ozone layer is found in the

air temperature changes as altitude increases because of

Why is air pressure greatest at the Earth's surface?

About how much of Earth's atmosphere is oxygen?

The air we breathe is mostly

What is the atmosphere?