Unit 7: Pollution

NH

IV. Read the following text and use the words given in the box to fill in the blanks.

us

different

nature

due to

waste

chemicals

and

why

However

dead

With the rise of concrete buildings and roads, one part of the Earth that we rarely see is the soil. It has many (1) _____________ names, such as dirt, mud and ground. However, it is definitely very important to (2) _____________. The plants that feed us grow in soil (3) _____________ keeping it healthy is essential to maintaining a beautiful planet. (4) _____________, like all other forms of nature, soil

also suffers from pollution. The pollution of soil is a common thing these days, and it happens (5)_____________ the presence of man-made elements.

The main reason (6) _____________ the soil becomes contaminated is due to the presence of man-made waste. The waste produced from (7) _____________ itself such as (8) _____________ plants, carcasses of animals and rotten fruits and vegetables only adds to the fertility of the soil. However, our (9) _____________ products are full of (10) _____________ that are not originally found in nature and lead to soil pollution.


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