Answer:
A an Oxygen isotope
Explanation:
The number of protons is the Same as the atomic number
The atomic number is 9 is the atom has 9 protons
Thus, the atom is an oxygen isotope
C) When both objects have the same temperature.
<em>Hope this helps!</em>
I believe the correct answer is A) From crest to crest.
~Silver
The correct answer is A. Charged particles from the sun exite the atmosphere near the poles to create auroras.