Plz

six thin, clear tubes are filled with rock particles. the 1st is filled with coarse sand, the 2nd is filled with fine sand, the 3rd is filled with pebbles, the 4th is filled with coarse sand and pebbles, the 5th is filled with clay, and the 6th is filled with gravel. which is going to have the most porosity?
2nd
1st
3rd

a large amount of rain falls on a meadow. it moves down to the water table. what is the explanation for what is happening in the ground?
saturation
infiltration
runoff

the zone of aeration (choose 2)
is also called the vadose zone
is located below the water table
is located above the water table