Discover how IDNLearn.com can help you find the answers you need quickly and easily. Discover in-depth answers to your questions from our community of experienced professionals.

Mass and energy are conserved Question 11 options: A) only in chemical changes. B) always in physical changes and sometimes in chemical changes. C) only in physical changes. D) in chemical changes and physical changes.

Sagot :

Answer:

I think b always in physical changes and sometimes in chemical changes