Which of the following is an example of a network covalent solid?
A) diamond
B) dry ice
C) sodium
D) sodium chloride
A
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What type of tidal patterns exists on the west coast of the United States, which receives two high tides and two low
tides of varying heights per day? a. diurnal tides b. semidiurnal tides c. semidiurnal mixed tides d. spring tides e. neap tides
Tropical climates have no months with temperatures below 18°C (˜64°F)
a. True b. False Indicate whether the statement is true or false
Hurricane winds rotate in a clockwise direction
a. ?in the Northern Hemisphere only. b. ?in the Southern Hemisphere only. c. ?in both the Northern and Southern Hemispheres. d. ?in neither hemisphere. e. ?depending on the season they occur in.
Which of the following is responsible for the growing hypoxic, or dead zone, problem in the Gulf of Mexico?
A. residual oil from roads and parking lots throughout the Midwest. B. acid rain falling on urban areas throughout the Midwest. C. leachate escaping from landfills throughout the Midwest. D. EPA requirement of oxygenated fuels throughout the Midwest. E. animal feed lots and agricultural fertilizers used throughout the Midwest.