The United States has no reserves of
A. tin, bauxite and potash.
B. gold.
C. chromium, cobalt, manganese and nickel.
D. iron ore, lead and copper.
Answer: C
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When the wind speed is zero, the wind direction is
A) 0o B) 90 o C) 180 o D) 270 o E) undefined
Natural levees block yazoo streams from joining the main river on a flood plain
Indicate whether the statement is true or false
How do wind-generated waves develop and travel to shore?
a) Capillary waves—gravity waves—swell—breakers b) Gravity waves—swell—breakers—capillary waves c) Internal waves—external waves—fully developed sea—breakers d) External waves—sea—capillary waves—swell—breakers e) Orbital waves—progression waves—breakers
________ refers to warm air at the surface being cut off by the meeting of two cold fronts
Fill in the blank(s) with the appropriate word(s).