Why Do Soils That Contain a High Percentage of Clay

Multiple Choice

Why do soils that contain a high percentage of clay retain plant nutrients so well?

A) The ions of clay tend to be positively charged while nutrients tend to be negatively charged.
B) Water cannot penetrate through clay very well, which means that nutrients are not readily washed away.
C) Clay contains many magnetic particles, which have the effect of holding onto the nutrients.
D) Because of a lack of water, the nutrients are not dissolved, which means they adhere as a solid to the clay particles.