Chapter 3

Question 1

Weather

Answer 1

The short-term changes in the air. For a given place and time

Question 2

Climate

Answer 2

A regions average weather conditions over a long period

Question 3

Prevailing winds

Answer 3

Winds that blow in the same direction over large areas of the earth

Question 4

Ocean currents

Answer 4

Large streams of surface water

Question 5

Front

Answer 5

The place where 2 air masses of different temperatures and moisture content meet

Question 6

Environment

Answer 6

Surroundings

Question 7

Ecosystem

Answer 7

Group of plants and animals that depend on each other for survival and the environment in which they live

Question 8

Habitat

Answer 8

Places where plats and animals live

Question 9

Extinct

Answer 9

Die out

Question 10

Humus

Answer 10

Decayed plant or animal matter

Question 11

Desertification

Answer 11

The spread of desertlike conditions

Question 12

Natural resource

Answer 12

Any material in nature that people use and value

Question 13

Renewable resources

Answer 13

Resources earth replaces naturally

Question 14

Nonrenewable resources

Answer 14

Resources that cannot be replaced

Question 15

Deforestation

Answer 15

Clearing of trees

Question 16

Reforestation

Answer 16

Panting trees to replace lost forestland

Question 17

Fossil fuels

Answer 17

Nonrenewable resources that formed from the remains of ancient plants and animals

Question 18

Hydroelectric power

Answer 18

The production of electricity from waterpower