Stratus clouds:
A) form only from the adiabatic lifting of air.
B) can form sheets up to several hundred miles long.
C) have a high-water content.
D) are a most responsible for colorful sunsets.
Answer: B
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________ sources of water pollution are relatively easy to monitor and regulate, while ________ sources of water pollution are difficult to monitor and clean up.
A. Nonpoint; point B. Point; nonpoint C. Domestic; industrial D. Tertiary pollutant; primary E. Primary; tertiary pollutant
Each number on this figure refers to a location with groundwater in a subsurface material that is consistent in character across the entire figure. Of these locations, which two sites are on the opposite side of a groundwater divide?
A. between 4 and 5 B. between 3 and 4 C. between 2 and 3 D. between 1 and 2 E. None of these
Canada has the world's largest reserve of tar (oil) sands
Indicate whether the statement is true or false
Efforts to repair or reconstruct ecosystems are known as
A. Land stewardship B. Mitigation C. Landscape ecology D. Restoration ecology E. Conservation reserve programs