Scientists know that some methods used to increase the food supply are dangerous to humans which method method is known to be harmful to human health
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The pesticides used today are chemicals which have been developed in a laboratory by scientists or produced in factories. Almost all pesticides are hazardous as they can be harmful to human health.They can contaminate land, air, food crops, water and seriously harm or kill animals, pets and domestic animals.
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spreading pesticides using planes
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