Answer:
From what I've seen in my lessons the answer should be C. Just let me know if I'm wrong or not. Cheers!
Answer:
Environmental changes.
Explanation:
If you change the habitat they are used to they might not adapt in time causing their species to die down and they could come close to extinction.
I believe the answer is scar tissue
Fermentation is the process by which yeast converts the glucose in the wort to ethyl alcohol and carbon dioxide gas -- giving the beer both its alcohol content and its carbonation. ... If the beer being made is an ale, the wort will be maintained at a constant temperature of 68 F (20 C) for about two weeks.
The answer is B because it is a biological component the affects the serotonin output in the brain