4.

Question

Why are root hairs such an important feature in the root system?

Root hairs increase the surface area of the root system but do not assist with the absorption of nutrients.

Root hairs have no affect on the surface area of the root system but do help with the absorption of nutrients.

Root hairs have no affect on the surface area of the root system and also do not help with the absorption of nutrients.

Root hairs increase the surface area of the root system as well as assist with the absorption of nutrients.

Answer 1

Root hairs increase the surface area of the root system as well as assist with the absorption of nutrients.