Which of the following was mentioned in the opening two-page spread of Chapter 9 (Sculpting Landscapes)?
A. unusual shapes into which rocks are eroded
B. movement of material downhill on slopes
C. natural arches
D. canyons of the Colorado River and Green River
E. All of these were mentioned.
Answer: E
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Cancer
A) is usually caused by a single mutation in a key gene. B) is more likely to develop in older people or people who have been exposed to mutagens (mutation-causing agents). C) usually involves a mutation in the BRCA genes. D) is primarily an inherited, and not an environmental, disease.
Consider the following statement and choose which response best applies to it."Over the last two centuries, there has been a marked decrease in the number of pirates in the world at the same time that global temperatures are rising. Therefore, the lack of pirates must be linked to global warming."
A. This is an example of attacking the scientists doing the research, rather than the science. B. This is an example of flawed cause and effect reasoning. C. This is an example of arguing a point on the basis of authority. D. This is an example of poor statistics, as the population size covers only 200 years of data. E. All of these choices are correct.
If the material deposited in a long ridge extending out from a coast grows to completely cut off the bay from an ocean, it become a
A) lagoon. B) stack. C) bay barrier. D) barrier spit. E) tombolo.
Once oil and gas are formed, they
A. flow most easily through permeable rocks, such as sandstone. B. rise toward the surface. C. are lighter than water. D. can be prevented from reaching the surface if they are trapped by impermeable layers. E. All of these choices are correct.