Fill in the blank.
1. The buildup of sediment where a river empties into a slow-moving or non-moving body of water is known as a/an _______.
2. A type of soil made almost entirely of windblown sediment is called _______.
3. The _______ in soil comes from decaying plants and animals and their waste products.
4. _______, which is made up of tiny particles and drains water very poorly, is one of the main components of soil.
5. A type of soil called peat is most likely to form in a/an _______.
6. Water helps in the development of soil by carrying _______ and nutrients from upper layers to lower layers.
7. The _______ of nutrients from soil is common in wet environments, like rain forests.
8. Quartz-rich parent material leads to the development of _______ soils.
9. The layers of soil composed mainly of organic matter are known as the ______ and _______ horizon.
10. A layer of soil in which clay, iron, and other elements from the overlying soil accumulates is known as the _______ horizon, or subsoil.
