Answer:
Environmental pollution is the introduction of harmful materials caused by pollutants into the environment. Pollutants are the various impurities that have found their way into the environment due to both human activity and natural causes, thus leading to pollution. These chemical compounds are harmful to both life and the environment.
Explanation:
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Happiness, self confidence, healthiness, and independence.
When magma pushes the crust up but hardens before erupting onto the surface, it forms so-called dome mountains
the answer is Danube River
