The relative humidity is often near 100 percent in polar regions
a. True
b. False
ANSWER: True
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The center of the North Atlantic gyre is
A. lacking in large fish B. surrounded by currents C. a zone of downwelling D. all of the above E. none of the above
Identify the acid or base behavior of each substance in these reactions: HSO4- + H2O ? OH- + H2SO4
A. HSO4- acts as an acid, H2O acts as a base, OH- acts as a base, H2SO4 acts as an acid. B. HSO4- acts as a base, H2O acts as an acid, OH- acts as a base, H2SO4 acts as an acid. C. HSO4- acts as a base, H2O acts as an acid, OH- acts as an acid, H2SO4 acts as a base. D. HSO4- acts as an acid, H2O acts as a base, OH- acts as an acid, H2SO4 acts as a base.
Distinguish aa from pahoehoe flows What will be an ideal response?
Discuss the concepts of water scarcity, water sanitation and access to water
What will be an ideal response?