What happens to the velocity of a sound wave in air if the temperature of the air increases? a. velocity increases b. velocity does not change c. velocity decreases d. velocity drops to zero

Velocity increases for plato users

Explanation:

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: