In the chemical weathering–CO2 feedback, as chemical weathering increases, ____
a. the amount of CO2 in the atmosphere stabilizes
b. the amount of CO2 in the atmosphere decreases
c. the amount of CO2 in the atmosphere increases
d. Earth’s climate begins to warm
e. more water vapor evaporates from the oceans
ANSWER: b
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Frost action is most effective ____
A)in high mountains B)where the temperature rarely drops below freezing C)where Earth materials are permanently frozen D)where temperature has little fluctuation E)in low canyons
Dry air is 78.08% nitrogen, 20.95% oxygen and 0.93% argon with the 0.04% being other gases. If the atmospheric pressure is 760.0 torr, what is the partial pressure of oxygen in dry air?
A) 20.95 torr B) 159.2 torr C) 600.8 torr D) 760.0 torr
Most of the waves that impact the coastal zone are caused by _____
a. hurricanes b. earthquakes c. ships d. gravity e. wind
Which term represents how terrestrial radiation is delayed or trapped by gases in the atmosphere?
A. transmission B. greenhouse effect C. scattering D. convection cell E. refraction