The prefix would be epi-, as in epidermis. (The outer layer of skin)
Hi,
I believe the answer is B, "<span>The first word is a verb meaning "to pout"; The second word is a noun referring to a small motorbike."
~Elisabeth</span>
<span>Scientists use the SI system so they can compare information all over the world. They don't need to convert any units because people all over the world use it. Also, it's more accurate than the English system.</span>
