This is the energy generated in the earth's core and produces steam and hot water.

Which enzymes break down carbohydrates?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Match each symbol with its description.