Answer:
Only object a and b???????
The answer is 8 hours.
Explanation:
M : H
50 : 1
400 : X
400 * 1 = 50 x
400 / 50 = 8
Answer is A
Samuriguy125 on YT
Answer:A compound is a substance formed when two or more elements are chemically joined.
Explation:Water, salt, and sugar are examples of compounds.
I hope this helps<3