What law of thermodynamics states that energy can’t be created or destroyed

Four types of motile cells in human body?

The instructions for making proteins come originally from

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?