The more root hairs a plant has, the more water and nutrients it can absorb. which is an appropriate justification of this statement?

a) with more root hairs, there is more surface area of the root and therefore more absorption of water and nutrients.
b) with more root hairs, there is less surface area of root and therefore more absorption of water and nutrients.
c) with more root hairs, there is more length to the root and therefore more absorption of water and nutrients.

Neeed now for 1. eye color is a polygenic trait. what is the possibility of getting a green (aabb) eyed child, if parent 1 has brown eyes (aabb) parent 2 has blue eyes (aabb) 2.albinism is a recessive trait. having normal pigment is the dominant trait. what is the possibility of having an albino child if parent 1 is heterozygous normal parent 2 is heterozygous normal 3.in rabbits black fur is dominant over white fur. what is the probability of getting a rabbit with black fur if parent 1 is heterozygous black parent 2 is homozygous white