Earth resources Flashcards
1
Q
what is a resource?
A
anything that is needed by humans to survive
2
Q
what is soil?
A
layer of disintegrated rock, organic matter ect
3
Q
what is minerals?
A
the naturally forming inorganic substances with a crystalline structure of which rocks are made of
4
Q
what is a non-renewable resource?
A
those that take millions of years to form naturally
5
Q
what is a renewable resource?
A
supplies that will never run out, either because there is an unlimited supply or because the resource cycles through the environment
6
Q
what does conservation mean?
A
any action taken to preserve resources and protect the natural enviroment