Plz HELP


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