soil

-What is soil made of?

• Rocks

• Decayed plants and animals

• Minerals

• All of the above

What is another name for the layers of soil?

• Levels

• Blocks

• Stories

• Horizons

- A mixture of bits of rock and bits of once-living parts of plants and animals

• Soil

• organic

• mineral

• rocks

The part of the soil that is made of decayed organic materials

• inorganic

• humus

• clay

• bedrock

The horizon layer of soil holds the most nutrients contains humus -------------------------

• Subsoil

• Bedrock

• Topsoil

• Clay

--Horizon A of soil is known as ----------------------

• Topsoil

• Subsoil

• Bedrock

• Clay

-- Horizon B of soil is known as ----------------------------------

• Topsoil

• Subsoil

• Bedrock

• Clay

The soil horizon rest on solid, unweathered bedrock-----------

• Horizon A

• Horizon B

• Horizon C

• Horizon D

. When farmers plant grass between rows of crops to slow erosion of soil, this is called ………...

• Strip forming

• Crop rotation

• Terracing

• . Wind breaks

1. Which of the following helps solve the problems of nutrient shortage in soil?

• Strip forming

• Crop rotation

• Terracing

• Wind breaks