Answer/Explanation: The metric system is an alternative system of measurement used in most countries, as well as in the United States. The metric system is based on joining one of a series of prefixes, including kilo-, hecto-, deka-, deci-, centi-, and milli-, with a base unit of measurement, such as meter, liter, or gram.
To conserve and protect the enviornment
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Animation of the Moon's Phases. On the average, the side of the Moon facing us remains constant because of its synchronous rotation (that is, the time it takes to rotate once on its axis is the same as the time it takes to orbit the Earth). braimlIST?
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