Answer:
frequency tell me if im right
Explanation:
1. I think it's the trails left by an electron as it moves around the nucleus.
2. The atomic number is the number of protons so it is 8.
3. It's mass is lowered but it is still the same element.
The air would contract therefore the answer is the second choice.
Jeff uses all of his weight to lift the 600 lbs. C is your answer i do believe
