List THREE human activities that contribute to acid rain?

The tubes transporting minerals and water upward are called ?

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

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?