The Greenwich meridian is also known as the
a) reference circle.
b) zero, or prime, meridian.
c) East-West major parallel.
d) zenith meridian.
b
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Blue stars are hotter than red stars
a. True b. False Indicate whether the statement is true or false
Scientific Notation: What is the result of the calculation (0.410 + 0.021) × (2.20 × 103)?
A. 880 B. 946 C. 948 D. 950
What would happen if the battery connections were suddenly reversed?
Jewelry is often manufactured by electroplating an expensive metal such as gold over a cheaper metal. A setup for this process can be sketched as follows: A) The ring would continue to electroplate with gold. B) Gold ions in solution would get reduced and settle to the bottom of the container. C) Gold ions in solution would begin to electroplate onto the gold electrode. D) All electrolysis would stop.
The energy involved in a phase change is called the
a. specific heat. b. thermal energy. c. internal energy. d. latent heat.