Greenwich mean time (GMT) is a system of
A) coordinating rules for what time should appear on a clock, around the world.
B) determining what years should be considered leap years and which should not.
C) identifying the phase of the lunar cycle.
D) determining when daylight savings time should go into effect.
A) coordinating rules for what time should appear on a clock, around the world.
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The ensemble method of forecasting hurricane paths creates a range of predictions using many different computer models
Indicate whether the statement is true or false
B20 represents ________.
A. a variety of broccoli used in the production of cellulosic ethanol B. a new vitamin recently isolated from sugar cane bagasse C. a ratio of biodiesel to petrodiesel in alternative vehicular fuels D. a bacterial strain used to ferment corn to make ethanol E. a synthetic compound that can be mixed with fossil fuel to give more energy
An estimate of the amount of water needed by the entire U.S. is called its water ___________.
Fill in the blank(s) with the appropriate word(s).
A sinkhole that develops over a period of hours or days and forms from a collapse through the roof of an underground cavern is known as a
A) doline. B) solution sinkhole. C) karst valley. D) collapse sinkhole.