Which of the following is the speed of light?
A) 3.0 x 10^8 cm/sec
B) 3.0 x 10^8 m/sec
C) 3.0 x 10^8 mi/sec
D) 3.0 x 10^8 mi/hour
B
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This city typically has the worst pollution in the United States: ________
Fill in the blank(s) with the appropriate word(s).
Which of the following physical properties would be LEAST useful in identifying quartz?
a. hardness b. luster c. color d. cleavage (or the lack of)
In the reaction Pb(s) + 2 Ag+(aq) ? Pb2+(aq) + 2 Ag(s) which species is reducing agent?
A) Pb(s) B) Ag+(aq) C) Pb2+(aq) D) Ag(s)
Due to friction, the wind at the surface tends to:
a. Blow along the isobars from high to low pressure. b. Converge into low-pressure regions and diverge out of high-pressure regions. c. Blow along the isobars from low to high pressure. d. Converge into high-pressure regions and diverge out of low-pressure regions.