Answer:
A pumpkin or a deer cus it's hunting season
The answer is motion, this is what I would go with because when you are dealing with gases it puts motion in the term of particles.
Answer:
carbon
Explanation:
because it is an allotrope of carbon
Mass number<span> is the </span>number<span> of protons </span>and<span> neutrons in an atom.
</span>Atomic mass<span> is the average </span>mass<span> of all the isotopes of a certain type.</span>
