In which location does a water molecule have the longest residence time?
A) a river
B) snow in Nebraska
C) atmosphere
D) ocean
E) All water molecules have equal residence times.
Answer: D
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The lithosphere is made up of the ____
A)the crust and upper mantle B)the crust and outer core C)the crust and the inner core D)upper mantle and outer core E)upper mantle and inner core
Deep-focus earthquakes occur in subduction zones because
A. seismic energy propagates toward the center of the earth under subduction zones. B. subduction zones represent particularly homogeneous regions of the earth's crust. C. brittle lithosphere is carried to deeper depths in subduction zones. D. the mantle is less dense under subduction zones.
The modern climate epoch, which is characterized by relatively stable, warm temperatures compared to most of the last 2.6 million years, is known as the ____
a. Altithermal b. Little Warm Age c. Holocene d. Pleistocene e. Cretaceous
A sodium hydroxide solution has a pH of 11.40, what is the [H3O+] in this solution?
A) 4.0 x 10^-26 M B) 4.0 x 10^-12 M C) 2.5 x 10^-3 M D) 2.5 x 10^11 M