What do we mean when we say that the universe is expanding?
A) Average distances between galaxies are increasing with time.
B) Within galaxies, average distances between star systems are increasing with time.
C) Everything in the universe is gradually growing in size.
D) The statement is not meant to be literal; rather, it means that our knowledge of the universe is growing.
A
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What will be an ideal response?
______ refers to the amount of vertical spacing between lines of text.
A. Leading B. Tracking C. Kerning D. Indenting
A music tuner uses a 554-Hz C# tuning fork to tune the frequency of a musical instrument. If the tuner hears a beat frequency of 2 Hz, what is the frequency of the instrument?
A) It must be 556 Hz. B) It must be 552 Hz. C) It could be either 556 Hz or 552 Hz. D) It could be either 553 Hz or 555 Hz. E) It is neither 556 Hz or 552 Hz.
Define texture