Mechanical waves, such as sound waves, travel fastest in what medium?

What is rain, is it water, gas, solid, what is it?

What is an astronomical unit (AU) ?

Does heat always give of heat

Your brother is insisting that you'll never hear a sound produced behind a barrier wall at the end of your yard. You notice that the door within the wall is open and quickly explain to him that the sound will be able to reach you due to A.

How are Newton's second and third laws of motion important to your everyday life?

The basic building block of life is

What is the reason for Mary's resemblance to her mother. Mary's relatives and friends feel she had her mothers feature

Is a balance scale used to describe how much matter is in an object

At distances greater than 2 femtometers, the nuclear strong force is stronger than (select all that apply): gravity electromagnetic forces nuclear weak force none of the above

Identifying the Functions of Parts of the Ear Which part of the ear changes sound to a signal that the brain can understand? Which part of the ear carries the signal to the brain?