He thinks that's where its most "corrupt". This book is amazing!
Are you sure thats spelt right
The answer is all of the above
The author includes all of those answers through their writing
Gravity causes water to infiltrate until it reaches impermeable zones where it is diverted laterally. Gravity generates the flow of springs, rivers, and wells. If the pores in rocks and sediments are connected, gravity allows the water to move slowly through them.