What is the soil made of?
Soil is made of small rocks, air, water and humus.
After houndreds of years rocks will become __________.
soil
What is humus made of?
Humus is made of decay plants and animals.
Why is humus important?
It's important because it has a lot if nutrients.
Why is soil important?
Plants live in soil.
Why is soil important?
The roots of the plants hold them to the soil.
Why is soil important?
Plants take water and/or nutrients from the soil.
Why is soil important?
Some animals live in soil.
Why is soil important?
Humans eat plants, and plants live in soil.
Why is soil important?
Animals eat plants, and plants live in soil.
What soil layer is this?
It's the Topsoil.
What soil layer is this?
It's the subsoil.
What soil layer is this?
It's the bedrock.
What can we find in the Topsoil layer?
We can find plants growing and humus.
What can we find in the Subsoil layer?
We can find a mix of rocks and soil.
What can we find in the Bedrock layer?
We can find rocks.
