Physical Geography: The Basics -

: Points at which a small change in an external condition can cause a rapid and significant shift in an ecosystem.

: The Earth is viewed as an interconnected system where changes in one area (like the carbon cycle) trigger responses in others. Physical Geography: The Basics

: Studies weather patterns, the natural greenhouse effect, and the atmospheric systems that drive global climate. : Points at which a small change in

Physical Geography: The Basics - 2nd Edition - Joseph Holden the natural greenhouse effect

: Analyzes the spatial distribution of plant and animal life and how these patterns are influenced by environmental factors and human activity.