Question

Mineral and organic soil particles tend to have ______ charges, so they attract ________ charged molecules and ions. the charge gradient produced in the soil solution causes _______ charges to tend to move out of the root hairs.

Answer 1

Answer number 1 is: negative.
Answer number 2 is: positive.
Answer number 3 is: positive.
Mineral soil has less than 12-20% content of organic matter.
Organic soil has greater than 12-20% content of organic matter.
Root hairs form an important surface, they are important because root hairs absorb most of the water and nutrients.