Earth Science







Expanding Forests

Everybody hears about the vanishing South American rain forests and the creation of wastelands as wood is cut up and used for charcoal in Africa. But are there any countries with expanding forest coverage? Any places where the woods are…
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Defining Biomagnification

Defining Biomagnification Definition: Biomagnification (also referred to as biological amplification and bioaccumulation) refers to the process by which persistent organic pollutants (POPs) accumulate in higher levels as they are passed from one trophic level to another through food chains. POPs…
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