Answer:
False; The levels of carbon dioxide have significantly increased since the industrial revolution.
A is the correct answer I belive
Answer:
It is a change from one form to another. Or unit to another
Keep it in an aerobic environment, meaning that there should be oxygen present. Fermentation is anaerobic, hence aerobic conditions will prevent fermentation from occurring.
Answer:
because the frog is not really persons that the reasons why frog less the circulatory sysyem