GRE Reading Comprehension
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Source: CHP
The transfer of heat and water vapor from the ocean to the air above it depends on a disequilibrium at the interface of the water and the air. Within about a millimeter of the water, air temperature is close to that of the surface water, and the air is nearly saturated with water vapor. But the differences, however small, are crucial, and the disequilibrium is maintained by air near the surface mixing with air higher up, which is typically appreciably cooler and lower in water-vapor content. The air is mixed by means of turbulence that depends on the wind for its energy. As wind speed increases, so does turbulence, and thus the rate of heat and moisture transfer. Detailed understanding of this phenomenon awaits further study.
Question List: 1 2
The passage suggests that if on a certain day the wind were to decrease until there was no wind at all which of the following would occur?
- A The air closest to the ocean surface would become saturated with water vapor.
- B The air closest to the ocean surface would be warmer than the water
- C The amount of moisture in the air closest to the ocean surface would decrease.
- D The rate of heat and moisture transfer would increase.
- E The air closest to the ocean would be at the same temperature as air higher up.