It's an ionic bond sodium has an extra electron while chlorine has seven valence electrons and only needs one more to get a complete set of eight
I think option one because if the molecules are moving in place, they are tightly packed like a solid. if they are moving around each other, that would mean they could move more freely like a liquid.
Answer:
B - Extinction.
Explanation:
The organisms are rapidly become diverse from each other, causing the extinction of the original organism.