Chapter 12 Lesson 4

What would happen if Earth had no atmosphere?

• The days would be cold and the nights would be hot.

• The days would be hot and the nights would be cold.

• Earth would not have nights.

• Earth would not have days.

What types of solid particles are naturally found in the atmosphere?

• extraterrestrial particles

• organic particles

• pollen, dust, and salt particles

• clay particles

What is wind that blows from the sea to the land due to local temperature and pressure differences called?

• global wind

• land breeze

• sea breeze

• jet stream

What type of wind moves at very high speeds and high altitudes?

• prevailing winds

• jet streams

• land breezes

• sea breezes

A ​ (a)   is an example of a POINT source of air pollution.

• factory smokestack
• highway cars drive on
• dust
• acid rain

Pollution that forms when sunlight react with chemicals in the air is

• radon

• smog

• photochemical smog

The wind patterns in an area can influence the buildup of ________ in the air.

• pollutants

• marsh bacteria

• temperature inversion

• acid rain

What is one way air pollution is harmful to humans?

• causes damage of plants

• causes a shortage of gasoline

• causes respiratory diseases

• air pollution is not harmful

What is an example of a NONPOINT source of air pollution?

• large city

• busy highway

• bacteria in swamps

• all of the above

Weathered stone on buildings is a result of ___________.

• acid rain

• hail storm

• workers performing maintenance