Which of the following is not a reason that grain size of sediment tends to decrease downstream?

A) gravity
B) abrasion
C) decreasing shear force
D) rounding


Answer: A

Environmental & Atmospheric Sciences

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The muzzle velocity of a certain gun is 100 m/s. Neglecting air resistance, at the end of 1 s a bullet fired straight up into the air will have traveled a distance of about

A) (100 - 5 ) m. B) (100 + 5 ) m. C) 100 m. D) 5 m. E) none of the above

Environmental & Atmospheric Sciences

Distinguish among conduit, vent, and crater

What will be an ideal response?

Environmental & Atmospheric Sciences

Plumes form ________ that are related to areas of active volcanism such as Iceland, Yellowstone and Hawaii.

A. hot spots B. aseismic ridges C. converging plate boundaries D. failed rifts E. trenches

Environmental & Atmospheric Sciences

A person is ________ when he or she has too few or too many nutrients

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences