Environmental problems

What happened to dinosaurs about 65 million years ago?

• They extinct.

• They extincted.

• They became extinct.

• The became endangered.

What word can be used to describe the increasing contact between the countries that has a major impact on the world today?

• global warming

• greenhouse effect

• globalisation

• smog

A person who does what they can to protect the environment is an ...

What causes problems because it is difficult to dispose of safely?

• fossil fuels

• pollution

• ozone layer

• hazardous waste

What is melting worryingly fast at the North and South Poles?

• glaciers

• polar ice caps

• ice cream

• ice mountains

The Siberian tiger is an example of an ... species.

Complete the collocation: .... rain

Complete the collocation: carbon ....

Complete the collocation: ozone ...

The reduction of the ozone layer is also known as ozone ...