They form a spongy layer that helps protect soil from erosion, absorbs moisture, and provides nitrogen and other nutrients for plant growth.
(They; form; a spongy layer that helps protect soil from erosion, absorbs moisture, and provides nitrogen and other nutrients for plant growth) (a spongy layer; absorbs; moisture) (a spongy layer; provides; nitrogen and other nutrients; for plant growth) (a spongy layer; helps; protect soil from erosion) Context(a spongy layer helps,List([10, 35))):(a spongy layer; helps protect; soil; from erosion)
a spongy layer helps,List([10, 35))
They a spongy layer a spongy layer a spongy layer a spongy layer
form absorbs provides helps helps protect
a spongy layer that helps protect soil from erosion, absorbs moisture, and provides nitrogen and other nutrients for plant growth
moisture
nitrogen and other nutrients for plant growth
protect soil from erosion
soil from erosion