________ is characterized by very coarse mineral grains.

A tributary stream that has to flow for many kilometers before finding an opening where it enters the main river is called a ________.

Karst development occurs more rapidly in ________ climates.

________ would have the largest capacity to naturally remove sewage pollutants.

Sheeted dikes are found ________.

Depositional features created by dripping of water over great spans of time are called ________.

Where are the most extensive geothermal features in the world?

A drumlin is a ________.

________ is a coefficient that takes into account the viscosity of the fluid and the permeability of the aquifer.

Moving from the headwaters to the mouth, in most streams, which of the following is true?