When a gas is heated and becomes a plasma, its electric charge is usually
A) balanced.
B) negative.
C) positive.
D) non-existent.
E) none of these
Answer: A
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a. The speed of light. b. The speed of sound. c. 1.1620 × 10^4 mph. d. The speed of the world's fastest rocket ship. e. The speed of electrons in a wire.
The spectrum of the Sun is:
A) not observable in the visible range B) a continuous spectrum with no absorption lines C) an emission spectrum D) an absorption spectrum E) a spectrum containing emission and absorption lines but no continuum
Which of the following is not a carbohydrate?
a. Maltose b. Glycine c. Fructose d. Glucose
The signature of a planet is largest in radial velocity measurements when the planet and star are lined up along the line of sight to the telescope
Indicate whether the statement is true or false