asap
which of the following are part of the groundwater system? select all that apply
the water table
zone of aeration
aquifers
zone of saturation

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

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?

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000