________ was the highly influential, ancient Greek philosopher noted for his writings and teachings on natural philosophy and on the workings of the Earth.

When water moves in nearly straight-line paths parallel to the stream channel, in slow moving streams, this is called ________.

Which best describes how an accretionary wedge forms?

Which of the following channel types is likely to form at the end of a glacier?

The bottom or downward tip of a crevasse marks the ________.

A slow-spreading ridge will generally have ________ compared to a faster spreading ridge.

Which of the following is responsible for the most daily indoor per capita water use in an average single family home in America?

Which of the following channel types is likely to form at the end of a glacier?

________ are glacier-cut valleys that flooded as sea level rose in post-glacial times.

________ is the dominant feldspar in basalt.