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. "
Barack Obama was elected president in November of 2008. He was sworn in January 20, 2009.
Mitosis
Explanation ~ Mitosis creates two daughter cells each having the same number and kind of chromosomes as the parent nucleus
I believe the answer would be centrosome. not too sure but hope this helps. :)
