What do bacteria do inside your digestive tract?
a) tey build simple molecules into more complex ones.
b) they destroy harmful food additives.
c) they break down molecules that your body can't break down.

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto