What is physiological density?
A) a population statistic that relates the number of people in a country to the amount land in that country
B) a population statistic that relates the number of people in a country to the number of farmers
C) a population statistic that relates the number of people in a country to the amount of arable land
D) a population statistic that relates the number of people in a country to the number of doctors
E) a population statistic that relates the number of people in a country to the amount of food harvested
C
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When warm moist air moves over a cool surface, _______ fog may result.
Fill in the blank(s) with the appropriate word(s).
Disturbance
What will be an ideal response?
The most common triggering mechanism for mass wasting is:
a. vibrations due to earthquakes. b. a sudden influx of excessive water. c. erosion of the slope base. d. vibrations due to earthquake and a sudden influx of excessive water. e. vibrations due to earthquakes, a sudden influx of excessive water, and erosion of the slope base.
Which of the following is not an important factor in the production of rain by the collisioncoalescence
process? a. the updrafts in the cloud b. relative size of the droplets c. the number of ice crystals in the cloud d. cloud thickness e. the electric charge of the droplets