13) Popcorn sold at most movie theaters is very salty, causing people to become thirsty and buy soda. Explain what is happening to your throat and mouth cells.
You MUST use the terms DIFFUSE (or diffusion or diffuses), WATER, and explain
the DIRECTION of diffusion (INTO or OUT of CELLS). *

Why is excretion necessary to maintain homeostasis?

Is there any solid scientific evidence that humans have been cloned?

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?