Wind, because the others can be completely used up at some point whereas wind will theoretically always be blowing
I'm at a loss between A & C but I'm not sure, I'd go with A
Answer is Chromosomes have coiled and become more compact. Please mark as the brainliest answer if it helped.
Answer:
I think it is c since "A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment. "
