"Red sky at morning" could mean impending bad weather
A) because there are clouds in the west.
B) especially in the tropics.
C) but not in the middle latitudes.
D) only in summer.
E) all of the above
A
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If the load exceeds a stream's capacity, sediment accumulates in the bed in a process called
A) saltation. B) aggradation. C) degradation. D) downcutting.
Multibeam provides the best modern technique for obtaining seafloor bathymetry, so why hasn't it been used for the entire ocean?
A) It doesn't work where there is ice. B) It is too expensive, requiring many ships many years to survey the entire ocean. C) It doesn't work in deep water. D) Oceanographers simply haven't had time to process all the data.
A mineral property that can be observed without using a test is:
a) effervescence b) magnetism c) hardness d) cleavage e) all of these
The combination of role and habitat for a particular species is referred to as its ____
a. environment b. ecological niche c. territorial prerogative d. hunting grounds