What are Saturn's rings composed of?
A. old satellites and other space junk lost from Earth's orbit and other space missions
B. chunks of ice and rock
C. hydrogen
D. methane gas
Answer: B
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The Aral Sea is shrinking due to ________
A) a large number of dams B) diversion of the rivers that flow into it C) overdrawing the aquifer it is located upon D) saltwater intrusion E) subsidence
Sea level rise resulting in increased sea surface area will result in increased evaporation that will offset sea level rise. Assuming this is true, this is an example of
A. neutral feedback. B. a negative feedback mechanism. C. atypical feedback. D. a positive feedback mechanism.
Which of the following are attitudes that tend to unify people and enhance support for a state?
A) Centrifugal forces B) Centripetal forces C) Nationalistic aspects D) Irredentist tendencies E) Forward capital
Gentrification is the process by which middle-class people move into deteriorated inner-city neighborhoods and renovate the housing
Indicate whether the statement is true or false.