Answer:
It’s A
Explanation:
The nights are shorter. I just took the unit test review
Answer:Accounting for the sizes of protons, neutrons, and electrons, most of the volume of an atom—greater than 99 percent—is, in fact, empty space. ... The electrons that surround all atoms are negatively charged and cause atoms to repel one another, preventing atoms from occupying the same space.
Explanation: hope this helped
Answer:
it can be negative or positive symbols
Explanation:
but there are no compounds given here
