Answer:
C
Explanation:
I hope this is correct and have a great day
It can be either they can have a negative or positive charge more specifically negatively charged molecule would called an anion and a positive one would be cation.
Answer:
If another scientist give better reasons;if they tested their hypothesis and it was wrong; if someone proved whatever the idea was to be wrong
Explanation:
I mean the list can go on at this point
