In a systems model, movement of energy or matter into the system is a(n) ____
a. subsystem
b. output
c. input
d. closed system
e. equilibrium
c
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Turkmenistan is a major exporter of what crop?
A) corn B) opium C) soy D) cotton E) wheat
The wind around a surface high-pressure centre in the northern hemisphere blows in which of the following directions?
A. clockwise and inward toward the centre B. counterclockwise and outward from the centre C. clockwise and outward from the centre D. counterclockwise and inward toward the centre
Suppose a west wind of 20 knots blows over a coastal region which is densely covered in shrubs
If this same wind moves out over the middle of a large calm lake, its speed and direction would probably be: a. greater than 20 knots and more northwesterly. b. less than 20 knots and more northwesterly. c. greater than 20 knots and more southwesterly. d. less than 20 knots and more southwesterly. e. less than 20 knots and westerly.
The distribution of the desert, grassland, and forest biomes is determined principally by
a. average annual temperature only b. average annual precipitation and temperature c. Latitude d. Sunlight e. Wind