If a 22 
resistor has a current of 2.0 A flowing through it, what is the potential difference across it?
A. 0.091 V
B. 44 V
C. 11 V
D. 24 V
E. 20 V
B. 44 V
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An emission nebula appears primarily ________ in color, due to ionized hydrogen
Fill in the blank(s) with correct word
Evidence for a permafrost layer of ice just a few meters below the surface of Mars include:
A) outflow channels and ancient river deltas. B) "hydrated" chemical compounds found on surface rocks. C) carbonate rock layers that are in low abundance. D) "fluidized ejecta" craters. E) river channels and flood plains that look identical to such features on Earth.
Answer the following statement(s) true (T) or false (F)
1. In a given macropartition, the total entropy of a system comprised of two or more parts is always equal to the sum of the entropies of those parts.
You can build an interferometer yourself if you use the following components:
A) a light source, a detector screen, a flat mirror, and a glass plate. B) a light source, a detector screen, two partially silvered mirrors, and a glass plate. C) a light source, a detector screen, two partially silvered mirrors, a flat mirror, and a glass plate. D) a light source, a detector screen, a partially silvered mirror, a flat mirror, and a glass plate. E) a light source, a detector screen, a partially silvered mirror, two flat mirrors, and a glass plate.