How much more solar radiation is available for the Earth on the perihelion than the aphelion?

A) no difference
B) 1%
C) 7%
D) 15%


Answer: C

Environmental & Atmospheric Sciences

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The surface of the Earth is altered by

A. abrasion. B. erosion. C. chemical weathering. D. plate tectonics. E. All of the options are correct.

Environmental & Atmospheric Sciences

Breakwaters alter beaches by ____

A) diverting sand away from boat anchorages that the breakwater was built to provide B) interrupting the progress of waves to the beach and weakening the longshore current C) allowing freshwater to flow readily into the ocean D) filling in bays or inlets

Environmental & Atmospheric Sciences

H2O (solid) ? H2O (liquid)

What will be an ideal response?

Environmental & Atmospheric Sciences

As the U.S. Manufacturing Belt came into being, which of the following cities arose?

A) New York B) Boston C) Philadelphia D) St. Louis E) Baltimore

Environmental & Atmospheric Sciences