Answer:
picture? I'll try to answer. It's not B. It's either A, C, or D, but it is <em>most likely</em> not C, So I would honestly say it is probably D
Normally cooks with microwaves emitting from a device in the microwave(sorry,I don't know the name of the device)
Answer:
Answer is A signal is sent down an exon within a nerve cell.
Explanation:
I'm pretty sure your talking about Vertebrates