Stream terraces along the sides of river valleys are usually evidence of _____
a. mass wasting
b. trellis drainage
c. distributary channels
d. changes in base level or tectonic movements
e. wind action
d
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Indicate whether the statement is true or false
Which of the following is a scientific hypothesis?
A) The Moon is made of green cheese. B) There are things we will never know about. C) Matter is filled with undetectable particles. D) There are parts of the universe that will never be found by man. E) none of the above
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A) coal burning stoves. B) the industrial revolution. C) smelting of ores. D) automobiles.
One of the important implications of Ricardo's comparative advantage model is that it shows how powerfully trade and exchange shape local production systems
Indicate whether the statement is true or false