Construction of the Panama Canal was hindered by
A. rockslides into the canal, which necessitated extra excavation.
B. too low a regional water table to fill the canal adequately.
C. quick clays beneath the canal.
D. All of the choices are correct.
Answer: A
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A parcel of air with an initial temperature of 35°C begins to rise in Location B. The LCL of the parcel is 2000 meters. With a red (or labeled) line, carefully draw the temperature decrease of this parcel of air as it rises to 5000 meters. Be sure to consider the LCL, and the DAR and SAR.
(a) Will this parcel of air begin to rise from the surface on its own? Why?
(b) Does the stability of this parcel change with increased elevation? If so, at what
elevation does this change occur?
(c) How would the pattern of stability below 5000 meters be different if the lifting
condensation level was not reached until 4500 meters?
A “forecast based on weather types” is a forecasting technique that produces several versions of a
forecast model, each beginning with slightly different weather information to reflect errors in the measurements. a. true b. false
The Earth rotates about its ________
A) great circle B) revolution C) inclination D) axis E) equator
Which of the following is NOT a natural characteristic of the troposphere?
A) It has most of the atmospheric water vapor. B) It is the lowest layer of the atmosphere. C) It has the highest pressures in the atmosphere. D) It has the hottest temperatures in the atmosphere. E) It is the layer associated with weather.