menu
QAmmunity.org
Answers by Zangw
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Answers by Zangw
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Answers by Zangw
Filter
User Zangw
Recent activity
All questions
All answers
Which of these changes do not involve forming or breaking chemical bonds? A. burning and melting B. rusting and cutting C. burning and digesting D. boiling and melting
answered
Jul 28, 2016
Biology
middle-school
6
votes
120k
views
Page:
« prev
1
2
3
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
7.8m
questions
10.5m
answers
Search QAmmunity.org