A nowcast is a weather forecast that extends for ____
A) 1-2 days
B) usually not more than 6 hours
C) 3 days or more
D) 3 to 8 days
B
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A significant drawback to wind power is
A) the turbines obstructing the landscape. B) the novelty of windmill technology raises the risk. C) the cost of the turbines requires significant capital investment. D) oil companies discourage it. E) there are only a few areas on the globe that would benefit.
Which is not a type of mechanical weathering?
A. pressure release B. frost wedging C. oxidation D. frost heaving
Which of the following atmospheric constituents has the least ability to absorb heat on a per-mole basis?
A) Carbon dioxide (CO2) B) Methane (CH4) C) Nitrous oxide (N2O) D) Chlorofluorocarbons (CFCs) E) Ozone (O3)
Heteroatoms make a difference in the physical and chemical properties of an organic molecule because
A. they can enhance the polarity of the organic molecule. B. they add extra mass to the hydrocarbon structure. C. each heteroatom has its own characteristic chemistry. D. all of the above