Dear Dr. The simplest example is the daily toxic emissions from the different types of cars in all cities and towns in world

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dear sir, as you know environment totally can effect on human life in different ways because all aspects of life are dependent on environment. for example food, air and water which are an essential needs for life to be, all dependent on environment. now if any environmental hazard or toxic material enter to this essential need directly can affect human life and health.

I agree with Dr. Abbas, The simplest example is the daily toxic emissions from the different types of cars in all cities and towns in world. pesticides and insecticides are used in agricultural soils.

It’s posiit due increas contamination within reducing health

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Water influence has a particular importance for the population health because, firstly, it is a reason for microelementosis and health desoders, caused by various pollutants in drinking and recreational waters and, secondly, being of habitat environment and living resource for the organisms, which can be eventually consumed by people, water quality may affect health through the trofic chain.

Thank you for your contributions.

vehicle emission is an example of toxic substances that affect the atmosphere and cause toxic air pollutants.