A school bus has a mass of 18,200 kg k g . The bus moves at 15.5 m/s m / s .

If you want to change the pitch of a sound, you have to change the

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

Argon, neon, and xenon are examples of