Documents A GIS Lesson. What is Weathering? The process of rocks or other substances breaking down at or near....

Slide 1A GIS Lesson Slide 2 What is Weathering? The process of rocks or other substances breaking down at or near the Earths surface is called weathering. Slide 3 Not to…

Documents A GIS Lesson. What is a Watershed? +15 Million People.

Slide 1A GIS Lesson Slide 2 What is a Watershed? +15 Million People Slide 3 The area of land where all of the water that is under it or drains off of it goes into the same…

Documents A GIS Lesson. Only a hundred years ago, scientists thought that they understood the history of the.....

Slide 1 A GIS Lesson Slide 2 Only a hundred years ago, scientists thought that they understood the history of the Earth and how it got to be the way it is. But they still…