These low-level clouds are composed of water droplets and indicate slightly unstable conditions i.e.,
A) cumulonimbus.
B) cirrocumulus.
C) cumulus.
D) altocumulus.
C) cumulus.
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Thundershowers in highland climate regions are typically a result of____
a. heating of air over valleys b. cooling of air over mountain tops c. tropical anticyclones d. heating of air over rocky slopes
On the topographic map in Figure 43-3, determine the extent of inundation for the 20-year flood along Cache Creek that you calculated in problem 8:
(a) Convert your flood level height in problem 8 from meters to feet (the measurement units used on the map): Water height of 20-year flood: _______ feet (b) Using a blue pencil, shade in the extent of the 20-flood on the map. Note that elevation of the stream gage is 1534 feet and that dashed lines are 20-foot contours.
Most supply-side energy policies currently under consideration in the United States
A) suggest a radical restructuring toward renewable resources in the next 10 years. B) shift our energy resources from fossil fuels to solar, wind, and nuclear in the next 20 years. C) shift almost half of the current fossil fuel use to hydroelectric power and solar power in the next 20 years. D) continue to rely on the same fossil fuel resources without significant shifts toward sustainability.
The eutrophication that has taken place in Chesapeake Bay, the Gulf of Mexico, and other locations appears to be due to ________
A) weather alone, because it is only obvious in the summer B) pesticide use along the waterways C) global warming from human use of fossil fuels D) excess nutrients from fertilizers E) heavy metals dumped in the sewage