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Environmental pollution is the biggest danger faced by our planet, the Earth. And this danger is posed because of things that humans do which harms the natural environment. Some kinds of pollution are visible, e.g., a heap of rubbish, black smoke being let out from a truck. There are also other kinds of pollution that are invisible, for example, noise from traffic or machinery.

There are many kinds of environmental pollution. All parts of the environment are connected with one another, one pollutant like pesticides can damage more than one natural system like sea life, trees, crops and others. This can cause the greenhouse effect or warming all over the Earth that happens when the Earth's atmosphere traps the Sun/s heat. Some of the pollutants are untreated sewage, solid waste like plastic and food, industrial waste like harmful chemicals, oils spills into the oceans from sinking oil tankers, pesticides, fuel exhaust from vehicles, indoor pollution and fertilizers. What these pollutants damage are water, soil and the air that we breathe.

Some of the things that you can do to save our Earth are recycling as many different materials like paper and glass, not using disposable like plastic containers, using public transport or car pools to reduce car exhaust fumes. Save electricity and water when and where you can, by using them wisely So do your bit and save your planet.

Pollution can damage more than one natural system like ______.

A)  Sea life                        

B)  sea life and trees

C)  Sea life and crops         

D)  All of these

E)  None of these