The inherently chaotic behavior of the atmosphere _________ computer model errors
a. increases
b. decreases
c. has no effect on
d. none of these
Ans: a. increases
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The ______________ river runs through London.
Fill in the blank(s) with the appropriate word(s).
Why is the anode of a battery indicated with a negative (-) sign?
A) Electrons are attracted to the negative electrode. B) This electrode is the source of negatively charged electrons. C) Electrons move to this area to react with NH4Cl in the battery. D) It indicates the electrode where the chemicals are reduced.
If surface winds were influenced only by the pressure gradient force and Coriolis force (i.e., without the frictional force)
A) winds would flow in a straight line from areas of higher to lower pressure. B) wind speed and direction would be reduced. C) winds would not blow at all. D) The effects would vary depending on surface texture. E) winds would flow parallel to isobars and at high rates of speed.
Which of the following was an important heat source for melting of the primitive earth?
A. the "Big Bang" that started the universe B. volcanic activity C. collisions of infalling particles D. heat energy radiated by the sun