Under what circumstances could the relative humidity exceed 100% without producing condensation in the air?
A) when the dew point is higher than the air temperature
B) when the water vapor is composed of "heavy" water
C) when there are no condensation nuclei
D) when the air is perfectly dry
C
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Generally, internally displaced persons (IDPs) suffer more than international refugees because
A) their own governments are unable or unwilling to help. B) foreign governments don't care. C) foreign governments don't know about the IDPs. D) their own governments do not have the military might to protect the IDPs. E) the world community treats refugees so well.
Which is older - rock unit J or H?
What will be an ideal response?
Population density is greatest in Western Australia around:
A) Perth B) Sydney C) Darwin D) Adelaide
Which of the following best describes the principle of faunal succession?
A) Rock layers will extend equally in all directions until they pinch out or reach the edge of a basin. B) Fossil organisms succeed one another in a specific and identifiable order. C) Only the most successful organisms will survive climatic extremes. D) Faults are younger than the materials they cut across.