Answer:
One easy way to measure the "size" of a ball is how far it is from side to side. Your tennis ball example is a good one: a typical tennis ball is about 2.5 inches form side to side.
i would say B. pressure imbalances
The mass of an atom (its atomic mass) depends upon the sum of the number of protons and the number of neutrons present in the nucleus.
The answer is therefore B. 70 (35 protons + 35 neutrons)
Electrons do have SOME mass but it is almost 2000 times less than the mass of a proton. Therefore the electrons mass is insignificant as there aren’t enough electrons to affect the total mass in any stones we know about.
To allow more blood flow throughout your body to be functioning