The answer is
<span>Aquifers are underground layers of rocks which contain water and serve as important sources of freshwater. They are located below the water table and in the saturated zone. If an aquifer becomes trapped between two impermeable layer (for example, one below and one above that overlies the aquifer), the pressure act on the aquifer and it can become a confined aquifer.</span>
To be frank starch is made up of long chains of glucose. While cell walls are made from cellulose created from photosynthesis. Cellulose is made up of glucose and cell walls are the most abundant carbohydrate.
I'm pretty sure it's D, because I had something like this last week. but I'm sorry if it's wrong..
Answer:
Your answer would be protozoan!
Hope this helps!
