14. Through which of the following mediums is the velocity of a sound wave the greatest? A. Air
B. Water
C. Steel
D. Lead

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

Consider the heating curve of h2o and line segments a, b, and c. several changes are taking place at a, b, and c. all but one would be an appropriate description as e move through segments a, b and then c.

How many particles are in 5.0 ml of fe