The layer of soil that contains humus and where plants grow?
Topsoil
Minerals that are hard to find are ________ minerals.
Precious
Rock that forms when melted rock cools
Igneous Rock
The remains of a living thing that has died and was quickly buried is a ________.
Fossil
Table salt is a _________ mineral.
Common
Name this part of the soil.
Topsoil
Rocks are made of one or more______.
Minerals
What is made up of broken rock, air spaces, water, & humus
Soil