Documents Primary Headwater Habitats (PHWH). The Basics - What is a Primary Headwater Stream? Characteristics:...

Slide 1 Primary Headwater Habitats (PHWH) Slide 2 The Basics - What is a Primary Headwater Stream? Characteristics: A Watercourse 1 with: A Watercourse 1 with: A defined…

Documents © 2011 Pearson Education, Inc. Deserts and Winds Earth, 10e - Chapter 19.

Deserts and Winds Earth, 10e - Chapter 19 Distribution and Causes of Dry Lands Dry regions cover 30% of Earthâs land surface. Two climatic types are commonly recognized.…