Explain how the geologist knows the relative age of intrusion compared with that of the gravel

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?

Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?