In which of the following locations can Clear Air Turbulence (CAT) occur?
A. away from a jet stream
B. where weak wind shear exists
C. over the oceans
D. in areas of mountain waves
Answer: D
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Political steps that can help reduce the destruction and degradation of tropical forests include all of the following except
a. certifying sustainably grown timber b. establishing programs to teach settlers sustainable agriculture and forestry strategies c. subsidizing only sustainable-use forestry d. encouraging migration to undisturbed tropical forests e. reducing poverty
What are the three tendencies of supply, demand, and prices of U.S. agriculture over the past 100 years?
A) moderately increased supply; moderately increased demand; stable prices B) drastically increased supply; moderately increased demand; falling prices C) drastically increased supply; dramatically increased demand; stable prices D) stable supply; moderately increased demand; falling prices E) moderately increased supply; dramatically increased demand; rising prices
Class I MHC molecules do which if the following?
A) pick up dead antigens B) seek out antigen molecules that have been synthesized inside a virus infected cell C) both a and b D) neither a nor b
Two social groups living in close proximity will retain unique social customs if there is limited interaction between them
Indicate whether the statement is true or false.