Question R5 Q25 - NSB MS 2010

In which of the following comparisons would you least expect the speed of sound to change?

W) Whale songs travelling through Arctic water compared to whale songs travelling through equatorial waters

X) Sounds made at the surface of the ocean compared to sounds made at a depth of 100 meters

Y) Frog calls made in the spring when its 4 degrees Celsius compared to calls made at 28 degrees Celsius

Z) Dog barks with low frequency compared to high frequency, excited dog barks

Science Bowl Question