Answer:
1. a
2. b
Explanation:
I'm sorry I know only these 2 :)
Black for the first,
Brown for the second,
And,
White for the third.
Hope that his helps you..
Answer;
C. it is the part f the atom with the greatest mass
Explanation;
The nucleus of an atom is a small dense region at the center of an atom that contains protons and neutrons.
Almost all the mass of an atom is located in the nucleus, with a very small contribution from the electron shells.
The protons are positively charged which gives the nucleus a positive charge while the neutrons have no charge.
Other than global warming is Desalinezation.