Answer:
There is not exactly a specific benefit to the pattern.
The radial pattern found on certain shells are created when the creature living inside grows bigger. As it grows, is builds the shell bigger layer by layer, creating the patter-like design of the shell
An algal bloom or marine bloom or water bloom is a rapid increase in the population of algae in an aquatic system.
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.