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If matter cannot be created or destroyed where does it come from?

Answer 1

Nolan Aldridge

But can be converted from energy to mass. as per E=Mc ^2.

according to Einstein's formula.

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Answer 2

Cooper Ann

The law of conservation of mass-energy states that although matter can be created or destroyed, it can change into other forms through processes such as nuclear reactions. The matter that exists today was formed during the Big Bang, when energy condensed into particles during the early universe.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.