Question 1

a large mass of ice that moves slowly

Accepted Answer

glacier

Question 2

a gradual increase in world temperatures

Accepted Answer

global warming

Question 3

a gas that causes the greenhouse effect, especially carbon dioxide

Accepted Answer

greenhouse gas

Question 4

to cause something to be under the surface of water, or to move below the surface of water

Accepted Answer

submerge

Question 5

happening once every year, or relating to a period of one year

Accepted Answer

annual

Question 6

to make something happen, especially something bad

Accepted Answer

cause

Question 7

the result of a particular influence

Accepted Answer

effect

Question 8

the air, land and water where people, animals and plants live

Accepted Answer

environment

Question 9

something that is difficult and that tests someone's ability or determination

Accepted Answer

challenge

Question 10

to say that an event or action will happen in the future, especially as a result of knowledge or experience

Accepted Answer

predict

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