Because fermentation takes place in the absence of oxygen, it is said to be
a. aerobic
b. anaerobic
c. cyclic
d. essential to oxygen production

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.

there are no components of a physical goal mentioned on the list of choices that you've provided.