Answer:
B. Natural Selection, others are some what related to genetic engineering.
The other answers are B C and E
A deposit of sand or mud built up along, and sloping away from, either side of the flood plain of a river or stream. Expand Also called levee,<span> Examples from the Web for </span>natural levee<span>.</span>
The neck is the Cervicis.
Hope this helps
Answer:A
Explanation: Teacher gave me the answer
