Which change will increase the speed of a sound wave traveling in a solid aluminum rod? a) changing the rod from a solid to a liquid b) changing the rod from a solid to a gas c) decreasing the temperature of the rod d) increasing the temperature of the rod

Which lists the organs in the correct order as food passes from the mouth to anus?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value