Quiz L. 18 Flashcards
What is soil made up of?
broken rock, air spaces, humus, and water
Break apart or rot
decay
living things that have died and decayed become _____
humus
layer of soil that contains humus and where plants grow
topsoil
layer of soil that has pieces of rock and contains less humus than topsoil
subsoil
layer of soil that has large, unbroken rock
bedrock
breaking down of rocks into smaller pieces
weathering
movement of rocks and soil
erosion
What is a natural resource?
anything in nature that God made for people to use
Does the surface of the earth stay the same or always change?
always change
Give an example of a natural resource.
soil
to take care of and to use a natural resource wisely
conserve
List four causes of weatahering
wind, flowing water, ice, plants
Where did the earth with its water and dry land come from?
God created the dry land and the seas
How is a landslide an example of erosion?
Erosion is the movement of rock and soil by water and wind. A landslide is the movement of a large amount of rock and soil.