Answer: Option C.
The number of protons and neurons it's contain.
Explanation:
Mass number of an atom is also called atomic mass of an atom which is some what expressed in Dalton i.e 1/2. The mass number is the total number of protons and neutrons altogether called nucleons in an atomic nucleus.
A robot moves but it is not alive.
Answer:
immature ovulate
Explanation:
An ovulate cone will become a mature gymnosperm cone after all of the ovules mature into seeds.
the answer is C, the division of one cell into two identical cells :3