What is undesirable change in the natural environment that is caused by the introduction of substances that are harmful to living organisms or by excessive wastes, heat, noise or radiation? A. climate change B. climate shift C. green house effects D. pollution
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Answer:
ANSWER
D.POLLUTION
Explanation:
Pollution is the introduction of contaminants into an environment causing harm, instability or disorder to the ecosystem. (An ecosystem includes all the living organisms (plants, animals, microorganisms) and their physical environment and the interactions between them.)
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