Answer: A, C, E
Explanation:
Gamma rays, Microwaves, and Radio waves
I don't think so as long as you make it apparent that the information comes the same source. So citing over and over again is unnecessary as long as it's clear that the information is from the same website or source. If you can't make it clear that they are from the same website source, it would a safe choice to continue to cite to avoid allegations of plagiarism.
<span>B. The properties they have</span>