jasminejenkins2017 jasminejenkins2017

21-10-2019
Physics

contestada

Which is an indication that a chemical change to a substance has occurred?
A.
It changes shape.
B.
New substances are formed.
C.
Energy is used or given off.
D.
both B and C

Respuesta :

lex8758 lex8758

21-10-2019

The answer is D. both B and C

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