The NRCS soil classification system has approximately how many different soil series?
a. 10
b. 100
c. 1,000
d. 10,000
D
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Compare and contrast the role of tribalism in Sub-Saharan Africa with the role of nationalism in Europe
What will be an ideal response?
After a cold front passes, which of these does NOT usually occur?
A) falling barometer B) marked temperature drop C) clearing skies D) wind direction shift
If you were asked to describe some of the useful things that earth scientists might be involved in, which of the following would not be applicable?
A. Trying to predict when natural hazards might occur by using secret methods. B. Trying to understand what causes flooding so it can be prevented. C. Trying to predict the weather so farmers might know when to plant crops. D. Helping the public understand which areas and populations might be susceptible to earthquakes. E. All of these choices are correct.
Why does Earth have dry land?
A. Earth has continental crust, which rides isostatically higher than oceanic crust because it is relatively thick and less dense. B. The mid-ocean ridges push up the bottom of the seafloor above sea level. Eventually there will not be any ocean left. C. There is not enough water to cover the surface completely. D. All planets of the solar system have dry land. E. All of these are correct.