For a given medium such as air, sound has a slower speed at lower temperatures.  Having read the above passage, choose the right answer to the following question (choices are increase or decrease ):   If Mary is blowing an air horn underwater and she raises the temperature of the water, what will happen to the speed of the sound waves generated by the air horn increase or decrease?
increase
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Water also gets colder as you go deeper.  Having read the above passage, choose the right answer to the following question (choices are warmer or colder. ):   As a diver goes deeper into the water, the water gets warmer or colder.?
colder.
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The voice becomes deeper as the larynx in the throat grows larger.  Having read the above passage, choose the right answer to the following question (choices are High or low ):   A person that has a small larynx will have what type of voice High or low?
High
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For a given medium, sound has a slower speed at lower temperatures.  Having read the above passage, choose the right answer to the following question (choices are faster or slower ):   When animals are moving in the cold they are faster or slower?
slower
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