Chapter 13 Flashcards
1
Q
atmosphere
A
layer of gas that surrounds the earth
2
Q
primary pollutants
A
pollutants emitted that cause harm
3
Q
secondary pollutants
A
harmful substances produced from primary pollutants
4
Q
Convective circulation
A
less dense, warmer air rises Creating vertical currents Rising air expands and cools Cool air descends and becomes denser Replacing rising warm air Convection influences weather and climate
