Warmer oceans dissolve more CO2 than the cold water of the Arctic
a. True
b. False
ANSWER: False
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Based on both percentage of world population and annual stream flows, what can be deduced from this table
Your friend says that the helium used to inflate balloons is a product of radioactive decay. Another friend says "no way." With whom do you agree?
A) If helium were a product of radioactive decay, we would all be radioactive. Agree with the friend that says "no way." B) Radioactive decay produces alpha particles, not helium. Agree with the friend that says "no way." C) Your first friend is correct. Radioactive isotopes emit alpha particles which, in turn, capture electrons and become helium atoms. D) Helium is an element of the periodic table, not some product of any reaction. Agree with the friend that says "no way."
If an earthquake occurred near the oceanic trench in this figure, which one of the following hazards is likely to threaten the town of Mesaview?
A. landslides and other slope failures caused by shaking B. liquefaction of soils and other weak materials because of shaking C. destruction by a tsunami D. ground shaking
Magmatic segregation occurs when ________
A) light minerals crystallize early and migrate through fractures in rock B) heavy minerals crystallize early and settle to the lower part of the magma chamber C) high-pressure conduits carry crystals to the surface D) hot, metal-rich fluids migrate through fractures in rock