According to the following reaction, which molecule is acting as an acid? H2O + H2SO4 ? H3O+ + HSO4-
A. H2SO4
B. H2O
C. H3O+
D. HSO4-
E. none of the above
Answer: A
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The breakup of Pangaea and the formation of the Atlantic and Indian Oceans were responsible for the shrinking of the
Pacific Ocean.
a. True b. False
What option below best characterizes the rainfall distribution at a non-desert station located immediately to the north of the Sahara desert?
A) adequate precipitation all year around B) summer dry season C) winter dry season D) dry all year around
Useful simplifications of a more complex reality do NOT include:
a. photographs, diagrams, and satellite image. b. maps and globes. c. areas of land smaller than 259 square kilometers (100 square mi.). d. conceptual models.
Where the water table intersects the surface, a(n) ________ is created
A) confined aquifer B) zone of aeration C) artesian well D) stream E) spring