Choose the best answer to complete each sentence.

If wastes are thrown ______, they can cause pollution in water, land and air.

Choose the best answer to complete each sentence.

Fossil fuels which are non-renewable pollute the air and cause air ______.

Choose the best answer to complete each sentence.

Recycling provides a method of reducing the amount of waste materials that gets to the landfills – thus ______ it less probable for environmental pollution to take place.

Find out the synonym of the underlined word from the options below.

The area is roped off because the water is seriously polluted.         

Choose the best answer to complete each sentence.

The effects of _____ are the environmental and social changes caused (directly or indirectly) by human emissions of greenhouse gases.

Choose the best answer to complete each sentence.

We need to cut down on our fuel                by having fewer cars on the road.        

Choose the best answer to complete each sentence.

Forest biodiversity is threatened by illegal                  carried out globally. 

Choose the best answer to complete each sentence.

What this country needs is a                policy for investment in science and technology.

Choose the best answer to complete each sentence.

The Forestry Commission is responsible for                over 2 million acres of woodland.

Choose the best answer to complete each sentence.

They are working to preserve the delicately balanced                of these wetlands. 

Find and correct the wrong words in the sentences.