Soil and Rocks

Front

What type of soil holds water better than sand, but not as much as clay?

Back

Silt

Front

What is the organic matter in soil called?

Back

Humus

Front

Who causes deforestation?

Back

Humans

Front

What is the land used for when it is cleared of trees?

Back

Farming

Front

What are all rocks made up of?

Back

Minerals

Front

What is the top layer of soil called?

Back

Topsoil

Front

What is the process of soil formation called?

Back

Soil formation or Pedogenesis

Front

What is the term for tiny pieces of rock in soil?

Back

Sediment

Front

What do we call the mixture of minerals, organic matter, water, and air in the ground?

Back

Soil

Front

What is the layer of soil beneath the topsoil called?

Back

Subsoil