I believe it's the theory that cells are the building blocks of life and without cells, there would be no life at all. Its also stated cells come from pre-existing cells and each organism has either one or more.
It could be a yes or no... to me because you try something you did try an put your work in to it when it was hard work.... I agree because you always try when you do something... if it can't be proven at least you tried on it
Auroras normally occur in the Earth's thermosphere.
It could be reflex or instinct, most likely reflex
