Carbon dioxide levels in the atmosphere are rising due to the burning of fossil fuels. How might this increased level of carbon dioxide affect rates of weathering?


Increased amounts of atmospheric carbon dioxide will increase the amount of carbonic acid that forms in the atmosphere and result in an increase of chemical weathering.

Environmental & Atmospheric Sciences

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Which of the following locations would contain large, angular rocks that broke away from bedrock and moved downhill?



A) Location 1, along the margins of a glacier
B) Location 2, along a steep mountain front
C) Location 3, in sand dunes
D) Location 4, along a beach
E) Location 5, on relatively deep seafloor

Environmental & Atmospheric Sciences

Most information about the breakup of Pangaea comes from studies of magnetic anomalies in seafloor rocks

a. True b. False

Environmental & Atmospheric Sciences

Sunsets are red for all of the following reasons except:

A) red light has more energy than blue light. B) Mie scattering. C) Rayleigh scattering. D) light has to travel through more atmosphere to reach the observer.

Environmental & Atmospheric Sciences

Why do wind waves tend to straighten a coastline by focusing erosion on headlands?

Environmental & Atmospheric Sciences