Answer:
1)The atomic mass number of an element
2)The relative electronegativity of an element
3) The period of an element
The answer that goes in the blank is Division.
A cell that has DNA suspended in cytoplasm and not a nucleus is most likely a prokaryote, which have small DNA clusters called nucleoids
I believe your pointing to number 16, I believe the answer is B
Organic materials less than "50,000 years" old are the type of materials that scientists would date with the carbon-14 method.
