Answer:
done
Explanation:
brainliest jjjkkkjhffhidfih
The answer is B
Hope this helps!!
Diatoms are single celled algae that form a silica based cell wall. They are broken up into two major groups, the centric diatoms and the pennants diatoms, based on the form of their frustule.
In the small intestine, cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.
