Question

Form words from the segments using sufixes -e, -able, -ing, -er, -ant, -tion, -al, -ful, -ed,
-ous, -less to fill in the blanks
contamin(at)-, pollu(t)-, dispose-, discharg-, poison-, recycl-, harm1)
Paper
is one of the most frequent waste materials, but it can be _______.
2) Nuclear waste can _______ the groundwater.
3) Pesticides are usually _______ substances. But organic fertilisers, e.g. manure, are _______.
4) Coniferous forests in the Northern Bohemia were _______ by acid rains.
5) Chemical factories _______ large amounts of waste water into rivers.
6) Paper, glass, plastics, and metals are _______ materials.
7) Acid rain is caused by _______ gases.
8) CO2 is a _______ which probably contributes to global warming.
9) Changes in the climate are due to _______of the atmosphere.

Answer 1

1)  Paper  is one of the most frequent waste materials, but it can be recycled.

2) Nuclear waste can contaminate the groundwater.

3) Pesticides are usually poisonous substances. But organic fertilisers, e.g. manure, are harmless.

4) Coniferous forests in the Northern Bohemia were polluted by acid rains.

5) Chemical factories discharge large amounts of waste water into rivers.

6) Paper, glass, plastics, and metals are recyclable materials.

7) Acid rain is caused by discharging gases.

8) CO2 is a pollutant which probably contributes to global warming.

9) Changes in the climate are due to pollution of the atmosphere.