Physics, 26.08.2019 09:30, malenacastillo4887

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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The universe could be considered an isolated system because
1many people think that no energy...