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The top documents tagged [acidity of rain water]
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acidity of rain water
Acid rain nuv
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asid rain
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Properties of Water. Water: 2 atoms of hydrogen, one of oxygen Held together by strong, covalent bond - electrons are ‘shared’ Water molecules interact.
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ENVIRONMENTAL POLLUTION. Pollution Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort.
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