One reason that bacteria can be harmful is that they:

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic