how do we know that matter and radiation cannot be created or destroyed

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asked Dec 3, 2015 in Science by rasta719 (7,230 points)


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We don't know, but so far to date, nobody has been able to create or completely destroy them. All we can do is change it to other types of matter or energy.
answered Dec 3, 2015 by whizkid (61,710 points)
selected Dec 4, 2015 by rasta719
omg whizkid yo on     fire
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I dont know about radiation but i know that matter cannot be destroyed . Get anything but [not a living thing] like a pencil cut the pencil and the little pieces . If you still see little pieces you will figure out that matter cannot be destroyed
answered Dec 7, 2015 by anonymous

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