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This is the hardest layer. It supports all layers above it.
bedrock
This is the layer of weathered rock.
bits of rock
Only big roots and strong plants can reach this layer.
subsoil
What are the 4 main layers of the soil?
topsoil,subsoil,bits of rock,bedrock
It is the layer where worms make their homes.
topsoil
How many are the soil layers?
4
It is an animal that digs in the soil.
mole
What will happen to rock when the plants grow?
The roots can spilt the rock.
What will happen to the water in the rock when its winter?
it freezes
Rain can get into _____ of rock.
holes
What happens if the rock on top shift or scrape against the rock on the bottom?
it breaks the rock, crack the rock
This can happen as _____ from a stream or ocean hit rock or strong winds blow on them.
waves
When rocks are broken into small pieces we call it ________.
weathering
What is soil made up of?
tiny bits of rock