The Pliocene is a(n)
a. epoch.
b. era.
c. eon.
d. period.
a
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Suppose that you were selected for a "Survivor"-type TV show. To help keep your group connected, you suggest that long vines can be tied together and used to transmit signals in cases of emergency. To get the signals to travel faster, you should
a. select lighter vines. b. increase the tension on the vines. c. hang weights from the vines at evenly spaced intervals. d. do all of the above. e. do (a) or (b) above, preferably both.
The figure shows a distance versus time graph for an object
The velocity of the moving object is a non-zero constant.
a.
True
b.
False
In a Young's double-slit experiment, how many maxima occur between the 5th-order maxima?
a. 8 b. 9 c. 10 d. 25 e. Three more than the number of minima.
What do we mean by the "fossil record"?
A) rocks from earlier periods of the Earth's history B) samples of meteorites that fell to Earth early in its history C) remains of ancient organisms preserved in rocks D) an album by the Rolling Stones