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Which u. s. agency enforces environmental regulations promoting sustainable development?
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Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
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In order from largest to smallest what are earths five main oceans
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Over half of the african-american population in the united states live in
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Which u. s. agency enforces environmental regulations promoting sustainable development?...
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