SOIL #1
What is something that is in the soil
Broken rocks
Does soil has 12 horizons
No
Minerals are used to make....
rocks
Rocks can be
Smooth and bumpy.
What happens when rocks are transported to the river
They pill on top of each other and they get crushed together.
A horizon is....
Humus
What makes good dirt
Good soil
Minerals are small crushed up parts of rocks
Yes
Igneous rock is formed from
magma
What makes metamorphic rock
heat and pressure
Is B horizon the 3rd horizon down or the 2nd horizon down
3rd horizon down
How long does it take topsoil to form
over 500 years
How many new minerals are there
30 to 50
Is Metamorphic,Igneous, and Sedimentary rock the most important rocks
Yes
Is o horizon on the top or bottom
top
What horizon is on the bottom
Bedrock
How deep is soil
6 feet
How many minerals are in the world
Roughly 3,800
What are three types of rocks
Igneous,Sedimentary,Metamorphic.
Rocks come from
our solar system.
Are the horizons O A B C Bedrock or A O B C Bedrock
O A B C Bedrock
What is under soil
Living organisms,Minerals,Broken rocks,Decomposing organic matter,Humus.
What good are minerals
vitamins
What type is formed by weathering and erosion
sedimentary
What is an example of a metamorphic rock
Slat