A freshwater lake with low nutrient input, low plankton, and low fish population will tend to have
clear water. Indicate whether the statement is true or false.
T
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What is likely to happen, at the surface, if large volumes of water, oil, or gas are removed from layers
of rock deep underground? a. settlement b. deep subsidence c. shallow subsidence d. magmatic intrusion e. hydrocompaction
You are monitoring a seismograph in Seattle. One morning, your instrument records an earthquake approximately 2000 km away. From that information, can you determine where the earthquake occurred?
A) Yes, because seismographs can indicate direction as well as distance. B) Yes. You could take the distance and match it up with known fault lines to find the epicenter. C) No, because seismographs can't pick up earthquakes from that far away. D) No, because you would need information from more than one seismograph to plot the epicenter.
The term pressure gradient refers to:
A) change in pressure at a weather station over 3 hours time. B) change in pressure along a horizontal surface. C) change in pressure from the tropopause to sea level. D) highest and lowest pressures at a station. E) change in wind speed at the same station.
The subtropical jet stream is usually found between?
a. ?0° to 10° latitude. b. ?10° to 20° latitude, 100-mb level. c. ?20° to 30° latitude, 200-mb level. d. ?30° to 40° latitude, 500-mb level. e. ?40° to 50° latitude, 1000-mb level.