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Answer Key. RNCT, NET Section, CDI, EDB. Text A: Worksheet 2 Answer Key. Vocabulary Building. A. Sentence Completion. Us

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Answer Key

Vocabulary Building A. Sentence Completion Use the words in the word box to complete the sentences below. It may be necessary to change the form of the word. The Causes of Global Warming absorb atmosphere clear forests fossil fuels global warming

1.

greenhouse greenhouse effect greenhouse gases release tilt the balance

Global warming refers to the gradual rise in the earth’s temperature as a result of human activities.

2. A greenhouse is a glass building used to grow plants. It keeps the plants warm and protects them from bad weather. 3. When too many greenhouse gases are released into the air, they trap the sun’s heat and cause the earth to get warmer. 4. The greenhouse effect refers to a build-up of gases in the air around the earth, which causes the earth’s temperature to rise. 5. Fuels like coal and oil, formed from the remains of decayed plants and animals, are called fossil fuels . 6. The atmosphere Earth.

is the layer of air and other gases that surround the

7. When you tilt the balance , this means that you do something to change a situation so that different parts are no longer equal. 8. When you 9. Burning fuel

clear forests releases

10. Plants and trees

RNCT, NET Section, CDI, EDB

absorb

, this means that you cut down all the trees. carbon dioxide into the atmosphere. carbon dioxide from the air.

Text A: Worksheet 2 Answer Key

Answer Key B. Matching Match the words on the left with the meanings on the right.

The Effects of Global Warming Words

Meanings

1. mountain glacier

D

a) a period of time during which the weather is much hotter than usual

2. polar ice cap

I

b) a serious problem in which people are forced to leave their homes or their country, usually because of war

3. shelf ice

G

c) when the average level of the seas get higher with respect to the land

4. heatwave

A

d) a huge mass of ice which moves very slowly down a mountain valley

5. drought

H

e) change in general weather conditions and patterns

K

f) when a species of plant or animal dies out, i.e. no longer has any living members

6. wildfire

7. rising sea levels

C

g) a thick layer of ice that sticks out over the sea like a shelf, found in Greenland and Antarctica h) a long period of time during which no rain falls i) a thick layer of ice and snow that permanently covers an area of land in the areas around the North and South Poles

8. unpredictable

L

9. coastal flooding

J

10. refugee crisis

B

k) a fire that starts in a wild area such as a forest and spreads rapidly causing great damage

11. climate change

E

l) when it is not possible to know what will happen

12. extinction

F

RNCT, NET Section, CDI, EDB

j) when an area near the sea is covered by large amounts of seawater

Text A: Worksheet 2 Answer Key

Answer Key C. Collocations Match the verbs on the left with the phrases on the right to create meaningful collocations. Do you know what they all mean?

The Possible Solutions to Global Warming

1. address

I

a) the amount of carbon dioxide in the atmosphere

2. use

E

b) the way we live

3. drive

L

c) your part for the sake of future generations

4. take

K

d) the film An Inconvenient Truth

5. invest in

G

e) more efficient appliances

6. reduce

A

f) a difference

7. slow down

H

g) renewable sources of energy (e.g. solar, wind)

8. play

C

h) the effects of global warming

9. choose

B

i) the issue of global warming

10. make

F

j) the website www.climatecrisis.net

11. watch

D

k) mass transit more frequently

12. check out

J

l) smaller cars that get higher mileage

* Other answers may be possible, but the model answers above can all be found in Text A.

RNCT, NET Section, CDI, EDB

Text A: Worksheet 2 Answer Key

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