The presence in or introduction into land, air, and water of a substance which has harmful effects is called:

A. Pollution
B. Waste
C. Garbage



Answer :

Final answer:

Pollution is the introduction of harmful contaminants into the environment, causing adverse effects on ecosystems and human health.


Explanation:

Pollution is the introduction of contaminants into the natural environment, leading to adverse changes in ecosystems and potential damage to human health. Contaminants can be introduced into water, air, and land, with harmful substances like plastic and greenhouse gases being examples of pollutants.


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