No, although there are several theories with increasing evidence, there is still no way to know for sure how it occurred. The great mystery of the beginning of universe is way too vast and vague. Theories can only be proven by presenting a solid proof, but great creations such as universe itself doesn't have to be solved. Various possibilities must have happened or there must be a one conclusion leading to its existence; but moreover, it is not our problem to solve. The confirmation of beginning of its existence will only feed the curiosity of humans.
Aero is the prefix for oxygen or air
Aerobic= needs air
Anaerobic=no air needed
I think the correct answer from the choices listed above is the second option. The zone in which some aquatic organisms rely on bioluminescence to entice prey would be the mesopelagic zone. It<span> is that part of the pelagic </span>zone<span> that extends from a depth of 200 to 1000 metres below the ocean surface.</span>