Our Earth the only one planet known to support life.Human interventions cause continuous change in the natural environment.What is nature.How natural environment is altered.Why such alterations go beyond limit and in what ways they affect us.This is an environmental treatise.
Amphibians are among the groups hardest hit by today's many strikes against wildlife. As many as half of all species are under threat. Hundreds are sliding toward extinction, and dozens are already lost.
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