A marching band is practicing. The band director sees the drum major hit a drum. How far away is the director if he hears the drumbeat in 0. 40 seconds? The speed of sound is 330 m/s. 12 m 132 m 264 m 825 m.

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

The total amount of energy contained in an object

Which is a substance that can be separated by physical means and is not the same throughout