Which of the following is TRUE of models?
A) They are simplified, idealized representations of the real world.
B) They are never used in physical geography because of their inherent limitations.
C) They complicate our understanding of Earth system science.
D) They perfectly replicate the real world, but at a different scale.
Question 2
If global temperatures increased and caused more water vapor to enter the air and more snow to fall in cooler latitudes, then the initial increase in snowfall would be a ________ feedback, whereas a sustained increase in the temperatures could lead
to the loss of snow cover even at those latitudes and cause a ________ feedback.
A) positive; positive B) negative; positive C) negative; negative D) positive; negative