Answer:
Rate of change of volume of the pile 
Explanation:
Given -
Rate of increase of the base of the pile
inches per minute
Height of the pile
the radius of the base
Let "h" be the height of the pile and "r" be the radius of the base.
Then 
Radius "r"
inches
Rate of change of radius i.e

Volume of conical pile

Change in volume of conical pile

Substituting the value of rate of change of radius, we get -

Rate of change of volume of the pile 
The correct answer is D) The fossil record reveals intermediates that link different species. Hope this helps.
Answer: Hi there :) the answers you are looking for are
5. D) All of the above
6. A) Rapidly make many copies of a gene or other DNA segment.
7. B) Insulin
8.) is 1,2,3 I don’t see an option for it but that is the answer so I’m not sure on this one. Sorry I hoped I helped on the other ones!!
Explanation:
Noble gases have a full outer energy level and are inactive. These atoms are considered inert.
Hope this helps
Good Luck
Are you talking about the benthic zone?