A friend produces a Geiger counter to check the local background radiation. It ticks. Another friend, who normally fears most that which is understood least, makes an effort to keep away from the region of the Geiger counter and looks to you for advice. What do you say?
A. The Geiger counter is emitting radiation.
B. Wear heavy clothes.
C. The Geiger counter is detecting naturally occurring radiation from your body.
D. Run away as fast as you can!
Answer: C
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What is the resultant of a horizontal 4-unit vector combined with a horizontal 3-unit vector?
A. 1 unit. B. 7 units. C. more than 7 units. D. 5 units.
The Crude Birth Rate (CBR) is NOT affected by which of the following?
A) level of economic development B) opportunities for women C) religion and other cultural practices D) the availability of birth control E) level of economic development, opportunities for women, religion and other cultural practices, and the availability of birth control
An example of an autotrophic protist is
A) kelp. B) mosses. C) amoebas. D) choanoflagellates.
Using Figure 12.25 in your textbook, which of the following is not a normal consequence of an oceanic-oceanic convergent plate boundary?
A) The denser crust subducts the less dense plate. B) Thrust faults lift up above the subduction zone. C) A volcanic island arc forms above where the subducting plate melts. D) A trench forms at the location where subduction begins.