the earth systems Flashcards
1
Q
point where two or more systems meet or interact
A
interface
2
Q
how many systems does the earth have?
A
4
3
Q
closed or open system?
A
closed system
4
Q
composed of naturally occurring solid aggregate of minerals, organic materials, etc.
A
geosphere
5
Q
the earth waters, inlcuding the cryosphere
A
hydrosphere
6
Q
mixture of gases that surrounds the planet
A
atmosphere
7
Q
composition of the atmosphere
A
78% nitrogen
21% oxygen
0.9% argon
0.10% trace gases
8
Q
includes all life forms and even organic matter that has not yet decomposed
A
biosphere
9
Q
these 4 systems are linked through _______ cycles
A
biogeochemical
