thousands of tiny projections that add even more surface area to villi​

i think that the best answer would be c.

tell me if im wrong : )

i am positive it is c. condensing but i may be wrong

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.