unit 5 Flashcards
1
Q
atmosphere
A
the mixture of gases that surround a planet
2
Q
hydrosphere
A
all of earths water taken together in all states of matter
3
Q
geosphere
A
the solid portion of earth including rocks soil mountains and materials deep within Earthy
4
Q
biosphere
A
the system that includes all the living things on earth
5
Q
recycle
A
to use the materials in old things to make new things
6
Q
green technology
A
innovative ways of using resources that minimize human impact on the enviroment
