The ________ segment of the San Andreas fault is the only one not to have a long rupture in historic time. In prehistory, it has ruptured every 250 years on average, but the last big movement was in 1690.
A. southern
B. middle
C. "creeping"
D. northern
Answer: A
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DDT is banned in most countries but is still widely used for malaria control.
Answer the following statement true (T) or false (F)
Which of the following defines the term latent?
A. hidden B. dense C. light D. hot
Which of the following is an example of a secondary volcanic hazard?
a. lava flows b. pyroclastic flows c. ash falls d. volcanic gases e. lahars
Geographers Frank and Deborah Popper have proposed that in the future, much of the Great Plains should be taken out of agricultural production and instead used for what?
A) A separate homeland for Native Americans B) A huge grassland habitat for restored herds of buffalo C) To open the area up for the mining of oil from deep shale reserves D) For the development of wind farms