Question

a well accepted theory in science is that through chemical means, matter cannot be created or destroyed. because it is well - accepted , it has been proven to be true.

true
false

true

Answer 1

Most High school teachers would say true.

A few college teachers that understand relativistic effects would say false, all energy involved in chemical (or nuclear) reactions translates to lost mass. In fact, chemical bonding enery is in fact recorded in mass changes in the atom (very, very slight changes). Read the binding energy and mass equivalence paragraph. Dynamite is a chemical reaction.
http://en.wikipedia.org/wiki/Mass%E2%80%93energy_equivalence

Answer 2

I would say false because a theory isn't <b>proven</b> just because it's well accepted.

Answer 3

I agree. False for both reasons stated by BobPursley and MsSue