Q: What is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials called?


Read this paragraph and choose the correct option from the provided answers:

Soil is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials. It is essential for plant growth, so it is the foundation of terrestrial ecosystems. Soil is important for other reasons as well. For example, it removes toxins from water and breaks down wastes.

 Choices:

- loam

- sand

- sediment

- soil


A:
soil