When the temperature of the air is 50°c, the velocity of a sound wave traveling through the air is approximately a. 50 m/s. b. 361 m/s. c. 30 m/s. d. 381 m/s.

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

Which statement describes covalent bases