Systems Flashcards
1
Q
What is a system?
A
groups of objects and the relationship that bind the objects together
2
Q
Why can the water and carbon cycle be viewed as a system?
A
- closed because they are driven by the suns energy, only energy cross the boundaries of water and carbon cycle
-open because the sun energy cross system boundaries
3
Q
What is transpiration?
A
The evaporation of moisture from pores on the leaf surfaces of plants
4
Q
How does water moderate global temperatures?
A
-ocean currents transport warm water towards poles
-water absorbs heat
-clouds reduce sun rays reaching earth
5
Q
Inputs and outputs in the water cycle:
A
In:
- precipitation and ablation
Out:
- evapotranspiration and stream flow
