The land on Earth is made out of __________ and ___________.
Soil is made from rocks and ____________ plants and animals.
____________________ are animals that help mix up the soil.
rocks and soil
trees and air
rocks and air
soil and animals
alive
dead
smelly
rabbits
snakes
earthworms
Soil has _______ layers.
A: 3
B: 4
C: 5
3
4
5
topsoil
humus
parent material
bedrock
subsoil
