Humus does not include ____.

A) feces
B) dead organisms
C) leaf litter
D) weathered rock
E) decomposing organic matter

Humus

Organic component of soil formed by the decomposition of leaves and other plant material, rich in nutrients.

Weathered Rock

Rock that has been altered in physical composition or chemical properties by environmental factors such as water, wind, or temperature changes.

Leaf Litter

The layer of dead leaves and plant material on the ground in forests and wooded areas, important for nutrient cycling and habitat for many organisms.