Answer:d. law of universal gravitation
Explanation:
Gel electrophoresis is a technique used to separate DNA fragments according to their size. This is from Khan academy so I believe it is reliable.
I kinda remember it and I think it's 60%
This is false. There are elements that have three letters, however they don't occur as often as those with one or two letter formulas.
Plants make energy which some of the process is function of living