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Cause and Effect

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Mohamed Boudhiaf secondary school. Teacher : kadri Nouri A.

Discover the Language P. 146.


Expressing cause and effect.
Water pollution
Water pollution has become a growing concern over the last century as more and more waste is
being disposed of in our oceans, rivers and lakes. This increase in pollution is harming our food
supplies, drinking water and environment. It is also creating issues in the oceans ecosystem and
hurting the animals and plant life that rely on the ocean and rivers for their survival. Water pollution
may be caused by the intentional or unintentional disposal of hazardous chemicals and materials into a
body of water. It may also be caused by specific points or contributing factors such as large factories,
oil refineries, construction sites, chemical waste management facilities, dump sites and other large
scale operations that produce large amounts of chemical waste. As a consequence, Toxic rainfall can
occur in areas where water or air is polluted with toxic chemicals and materials. Polluted water can
also lead to sickness, disease, infections, deformities and even death among animals and plant life.
Once water becomes polluted it can affect people and animals either directly through consumption or
indirectly through food sources and land degradation… etc.
Adapted from : http://www.whalefacts.org. 03/04/2018 . 21:35 H.
1/ Is the text above : a- A web article. b- An application letter. C- An extract from a book.
2/ Are the following statements True or False? Justify the false ones from the text.
a- water pollution is causing issues in the oceans ecosystem.
b- Animals relying on rivers and seas can be damaged by chemicals and materials.
c- Polluted water cannot affect people and animals.
3/ Answer the following questions according to the text :
a- What is ‘ Water pollution’?.
b- Why has “ Water pollution” become a growing concern over the last century?.
c- What are other types of pollution you know?.
d- Are chemicals and materials the only reasons that cause Water pollution or there are other factors?.
4/ Who or what do the underlined words refer to in the text?.
This : ………………. It : ……………………
5/ Read the text again and pick out two sentences which are close in meaning to the following:
Human beings and animals are dying because of polluted water.
6/ Finish the table below:
Cause and Effect Chart
Cause Effect
Why something happens. What happens.

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