5% of soil is ___________
organic matter
What are these?
Earthworms
How many percent is the mineral?
45%
What's this?
Water
How many percent is the air?
25%
What are these?
Ants
How many percent is the organic matter?
5%
Where does organic matter come from?
Dead plants and animals
25% of soil is _________
Air
Where do minerals come from?
Rocks that break into small bits.
What's this?
Plant
What's this?
Soil
Where does the water from the soil come from?
Rain
45% of soil is ____________
Mineral
What will happen to the plant if there's no water?
The plant will DIE.
25% of soil is ___________
water
How many percent is the water?
25