Scattering occurs more in water than air due to the greater density of water
a. True
b. False
True
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Which of the following factors makes a site near a volcano relatively more dangerous?
A) The nearby slopes on the volcano are gentle B) A site that is within a valley that drains the volcano C) A site that is upwind from the volcano D) All of these are correct. E) None of these are correct.
Cirrocumulus clouds rarely produce precipitation that reaches the ground. Indicate whether the statement is true or false
As pure water approaches its freezing point, the density decreases. Why does this happen?
A) The water compresses into ice. B) The hydrogen bonds become rigid, allowing it to expand slightly. C) The hydrogen bonds break as the molecules compress. D) Ice takes up a smaller surface area than liquid water.
Which of the following geologic situations is most likely to contain significant oil concentrations?
A) 1.1-billion-year-old rocks that accumulated in the vicinity of a divergent plate boundary B) 200-million-year-old rocks that have been exposed by uplift in a subduction zone C) 300-million-year-old rocks that accumulated in a subsiding sedimentary basin D) 150-million-year-old rocks that are flat lying and unfaulted