Which of the following has the highest melting point?
A) decane
B) hexane
C) octane
D) nonane
A
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Atmospheric pressure can be measured in all of the following units except
A) millibars. B) bars. C) barometer units. D) inches of mercury.
If the ice accumulation at the upper end of glacier decreases, and/or the ice loss at the lower end increases, the glacial ice front will:
a. Advance b. Retreat c. Reach dynamic stable d. Cannot be determined
A drought defined by the shortage of precipitation and soil moisture effects on crop yield is a(n)
A) meteorological drought. B) agricultural drought. C) hydrological drought D) socioeconomic drought.
The principle of superposition which states that in undeformed rocks, the younger rocks will be on top of older rocks, is particularly important because ________
A) it proved that life evolved by putting fossils in a logical order B) it supports the laws of gravity which indicate that rocks must be deposited on something that already exists C) it showed that the interior of the earth is not growing outward D) it provided an order for assembling the relative ages of various rock layers