Yes I think & I Belive it moves across the surface
Answer:
A product in science is a substance that is formed when two or more chemicals react.
Explanation:
When a chemical reaction takes place, a new substance is often created from the atoms or molecules of the original substances. There are often multiple products formed in a reaction.
Just ignore such kind of people....
Answer:
-12
Explanation:
a negative times a positive is negative
