Chapter 3

The short-term changes in the air for a given place and time is known as...

• Front

• Monsoons

• Weather

• Climate

A region's average weather conditions over a long period is known as...

• Front

• Monsoons

• Weather

• Climate

Winds that blow in the same direction over large areas of Earth are known as...

• Hurricanes

• Prevailing winds

• Contracting winds

• Straying winds

Large streams of surface seawater are known as...

• Ocean Currents

• Undertow

• Monsoons

• Tropics

The place where two air masses of different temperatures or moisture content meet is...

• Back

• Front

• Tundra

• Tropics

What are seasonal winds that bring either dry or moist air called?

• Tornadoes

• Hurricanes

• Typhoons

• Monsoons

What are areas of tall grasses and scattered trees and shrubs called?

• Basins

• River Valleys

• Savannas

• Coastal

What are semi-dry grasslands or prairies called?

• Mesa

• Steppes

• Mountain

• Desert

Permanently frozen layers of soil are called...

• Freeze layers

• Everfrozen

• Ice soil

• Permafrost

A group of plants and animals that depend on each other for survival and the environment in which they live is known as...

• Environment

• Planet

• Ecosystem

• Posse