When the dry and wet bulb temperatures measured by a psychrometer are equal, all but one of the following is true. Which one is FALSE?
A) Water vapor content is at a maximum.
B) The air is saturated.
C) A rise in temperature would cause condensation.
D) Relative humidity is 100 percent.
C
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Russia and Brazil, currently classified by the United Nations as having relatively high levels of development, are especially rich in inputs critical for industry
Indicate whether the statement is true or false.
Ice cores for climate analysis are drawn from:
a. Iceland and Greenland. b. the Arctic and the Antarctic. c. Greenland and the Arctic. d. Antarctic and Greenland.
Which type of drainage pattern is shown in Figure 24.4? Briefly describe the structural conditions that have created this pattern.
Figure 24.4
A common automobile engine is 20% efficient. The average retarding force along a road is 1000 N. The energy content of fuel is 40 MJ/L. This automobile can achieve how many kilometers per liter?
A. 10 km/L. B. 12 km/L. C. 14 km/L. D. 8 km/L.