Turbulent flow in a stream is likely to be least in
Answer: Small airways where velocity is low due to the large total surface area
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Pseudoscience is a field of
A. knowledge deservedly gaining a large following. B. wisdom only recently appreciated. C. junk science. D. both knowledge and wisdom.
The best way to avoid the evolution of pesticide resistance is to
A) use more of the pesticide anytime resistance appears. B) use crop rotation and biological controls instead of pesticides. C) develop new forms of pesticides. D) apply pesticides to the soil before planting and after harvesting a crop.
The approximate altitude of auroral displays is:
A) above 500 km. B) above 1000 km. C) 80-400 km. D) below 30 km. E) about 50 km.
Condensation is most likely to happen when air ____ and the speed of the water vapor molecules ____
a. remains the same temperature; decreases b. cools: increases c. cools; decreases d. warms; increases e. warms; decreases