Freezing point depression is: A. When a substance does not need to be as cold as normal in order to freeze.
B. When a substance freezes and then quickly drops in temperature.
C. When a substance drops in temperature until it freezes, then quickly rises in
temperature but stays frozen.
D. When a substance must be colder than normal in order to freeze.
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Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What causes most sediment to wash or fall into a river