WHAT DOES POLLUTION OF SOIL REDUCE

4. What does pollution of soil reduce ?

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*Key:

I. Listen ( 2M = 0,5m/sentence)

*Tapecript: Solar energy is a long lasting source of energy, and it can be used

almost anywhere. To generate solar energy, we only need solar cells and the

sun ! Solar cells can easily be installed on house roofs, so we do not need any

new space. compared to other renewable sources, they also possess many

advantages: wind and water power rely on turbines which are noisy, expensive

and which take up large space. Solar cells are totally silent and non - polluting.

As they have no moving parts, they require little maintenace and have a long

lifetime.

1B 2C 3A 4D

II. Give correct forms of the words in the brackets ( 2M)