Multiple Choice
Which of the following statements is a natural law?
A) The mass of substances,before and after a chemical change,is the same.
B) If the volume of a gas doubles,the pressure decreases by a factor of two.
C) The energy derived from a change in mass is found by E = mC₂.
D) all of the above
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
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