2points
which sentence uses a hyphen correctly?
o
a. you owe me one-hundred dollars.
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b. our new coach is an ex-teacher.
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c. i can't believe my-own brother is now mayor.
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d. wait here while i un-lock the door for you.
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Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.