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Physics, 17.07.2019 00:30 evan3221

The universe could be considered an isolated system because 1many people think that no energy or matter exists outside the universe. 2energy and matter are created in the universe and flow freely into and out of the universe. 3 energy is created outside the universe and matter is created within the universe. 4energy is created in the universe and matter is transferred out of the universe.

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