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SpyIntel [72]
2 years ago
7

Mass and energy are conserved Question 13 options: A) only in chemical changes. B) always in physical changes and sometimes in c

hemical changes. C) only in physical changes. D) in chemical changes and physical changes.
Chemistry
1 answer:
Roman55 [17]2 years ago
3 0

Answer:

B

Explanation:

sometimes it can change chemically but not all the time.

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