Question

two soil types are described by the table below.
soil type permeability water holding capacity nutrient capacity
sandy high low low
loam moderate moderate moderate
to plant native desert plants, a group of students must choose a soil that provides good drainage.
which soil type will likely provide the best drainage for the students desert plants, and why?
choose 1 answer:
a sandy, because its permeability is high.
b loam, because its permeability is moderate.
c sandy, because its ability to hold nutrients is low.
d loam, because its ability to hold nutrients is moderate.

Explanation:

Good drainage is related to high permeability. Sandy soil has high permeability as shown in the table, which allows water to pass through quickly. Nutrient - holding capacity is not relevant to drainage.

Answer:

A. Sandy, because its permeability is high.