A. and B. Hope this helped
There can but it will not last long. There are probably more carnivores because they were taking advantage of the supply of herbivores and now they will start to die off. So I guess my answer is no, not normally and not for a long time.
Absence of oxygen
fermentation is an anaerobic (meaning doesn't require oxygen) process
_______________ reactions transfer energy to the surroundings, usually as heat.
C. Exothermic
B, is the answer. I believe.