Throughout the world, most freshwater used is applied for nutritional purposes. True
False

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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and after water is usually warmed by the sun the water temperature raises and then evaporates .