HPU NCS2200 Air pollution part 2
Ecosystems: How do they work?
Types of Designer Sunglasses with Different Styles
Chapter 20 Ozone Depletion. OZONE DEPLETION IN THE STRATOSPHERE Ozone thinning: caused by CFCs and other ozone depleting chemicals (ODCs). Increased.
Ecology Energy and Ecosystem Pyramids. September 27, 2010 FRQ’s are due We will grade… in class Tests were correct, A and B re scanned You may.
Chapters 7, 18.1, 19.1-3 Climate, Biodiversity, and Global Climate Change.
Our Atmosphere
THE EARTH’S LIFE SUPPORT SYSTEMS The biosphere consists of several physical layers that contain: –Air –Water –Soil –Minerals –Life Figure 3-6.
Chapter 12 Soil Resources. Chapter Overview Questions What is soil? How is soil formed? What are the major components of soil?
Earth ’ s Atmosphere Chapter 22 Mr. Sierra. Protects Earth from the sun’s harmful UV rays: “natural sunblock”. No CFCs! 1)Volcanic Ash 2)Dirt/Dust from.
Chapter 4-1 & 4-2 Ecosystems: What Are They and How Do They Work?
