What is the discharge of a stream in a rectangular channel that has a cross-sectional area (width x depth) of 60 square meters, that is 40 kilometers long, and has a velocity of flow of 5 meters per second?
A. 105 cubic meters per second
B. 200 cubic meters per second
C. 300 cubic meters per second
D. 2400 cubic meters per second
C. 300 cubic meters per second
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Based on their relative positions in the periodic table, which might you expect to be a stronger oxidizing agent, chlorine or fluorine? Why?
A. Chlorine should behave as a stronger oxidizing agent because it has a smaller effective nuclear charge in its outermost shell. B. Fluorine should behave as a stronger oxidizing agent because it has a smaller effective nuclear charge in its outermost shell. C. Fluorine should behave as a stronger oxidizing agent because it has a greater effective nuclear charge in its outermost shell. D. Chlorine should behave as a stronger oxidizing agent because it has a greater effective nuclear charge in its outermost shell.
Which of the following is a synthetic greenhouse gas?
A) chlorofluorocarbons B) nitrogen C) water vapor D) oxygen E) methane
Which location(s) have loose, angular rocks?
A. 1 B. 2 C. 3 D. 4 E. 1 and 2
Granite-gneiss complexes are typical in what age of rocks?
A)Archean B)Hadean C)Neoproterozoic D)Paleoproterozoic E)Mesoproterozoic