Soil

Humus is bad for soil.

• True
• False

Which layer of soil is on bottom?

• Topsoil
• Sand
• Bedrock

What is HUMUS made from?

• Chick-Peas

• The remains of decayed plants and animals

• Inorganic materials

• Rocks and Minerals

All soils begin with what process?

• Nutrients
• Subsoil
• Weathering
• Fertile

Fertile soil is rich in _________.

• Conservation
• Bedrock
• Water
• Nutrients

Which layer of soil are these roots growing in?

• subsoil
• topsoil

Which horizon is made up of partially weathered rocks?

• Horizon A

• Horizon B

• Horizon C

• Horizon D or R (Bedrock Layer)

SOIL LAYERS ARE CALLED.......

• MATERIALS
• ORGANIC
• HUMUS
• HORIZONS

MIXTURE OF ROCK, MINERAL PARTICLES, AND ORGANIC MATTER...... 

• HORIZONS
• HUMUS
• SOIL
• CLAY

WHAT LAYER IS TOPSOIL FOUND IN........

• A
• B
• C
• D