'2 levels rise' presentation slideshows

Global Warming

Global Warming. So What? . April 2014. Pay ranchers and farmers to move. even without more CO 2. Blame. each year. rising 5% / year. carbon from the air back into soils. Why? We already have too much CO 2 in the air. Warming could well triple,

477 views • 38 slides

Global Warming

449 views • 37 slides

Chapter 42

Chapter 42. Circulation and Gas Exchange. Concept 42.7: Respiratory pigments bind and transport gases. The metabolic demands of many organisms require that the blood transport large quantities of O 2 and CO 2. Respiratory Pigments.

197 views • 19 slides