They are called ISOTOPES.
:)
Answer:
A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions, and colloids. ... Some mixtures can be separated into their components by using physical (mechanical or thermal) means.
Explanation:
The answer is Ice spheres
I think it's B. Molecules collide more frequently
There are six atoms in the carbon
