The basis for defining the length of a day is
A) Earth rotates east to west.
B) arbitrary, based on a decision of an international committee that met in Washington DC in 1884.
C) Earth moves through 365.25 days a year in its orbit about the Sun.
D) Earth does not rotate; rather, it revolves.
E) Earth rotates on its axis in 24 hours; i.e., it rotates 15° of longitude per hour.
E
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Of the great current circuits in the world ocean, there are ________ in the Northern Hemisphere and ________ in the Southern
a. 4; 2 b. 2; 4 c. 3; 3 d. 6; 6
Which of the following organisms is a primary producer?
A. grass B. decomposer C. grasshoppers D. fungi
A cirque represents an erosional feature formed in what was an important accumulation zone for snow and ice at the upstream head of a glacier
Indicate whether the statement is true or false
In an effort to estimate the possible damage a hurricane’s sustained winds and storm surge could do to a coastal area, the ____________________ was developed
Fill in the blank with correct word.