The two greenhouse gases that have the greatest impact on climate change are
A. Methane and carbon dioxide.
B. Methane and water vapor.
C. Nitrous oxide and methane.
D. Chlorofluorocarbons and methane.
Answer: A
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People with broader and more expansive images of place are less likely to travel far than those with narrower and more localized images of place
Indicate whether this statement is true or false.
In the cross section of the front pictured here
A) cumuliform clouds tend to form with precipitation being relatively short-lived.
B) cumuliform clouds tend to form with precipitation being of relatively long duration.
C) stratiform clouds tend to form with precipitation being relatively short-lived.
D) stratiform clouds tend to form with precipitation being of relatively long duration.
A uranium-lead age determined from a zircon crystal removed from a sandstone would reflect the time elapsed since the ________ of the zircon
A) erosion B) deposition C) crystallization D) cementation
The Hawai'ian Islands were formed as a result of
A) a rising plume of magma from the mantle. B) an oceanic-oceanic plate collision. C) a continental-oceanic plate collision. D) activity along a mid-ocean ridge.