Chapter 7: Atmosphere and Climate âThe atmosphere is the key symbol of global interdependence.â Margaret Mead, American Anthropologist 7.1 The Atmosphere Earth is surrounded…
Gases Chapter 11 Tro, 2nd ed. WHY WE STUDY GASES Our atmosphere: thin layer surrounds us and is critical to life on earth 78% N2 & 21% O2 at sea level, plus CO2 &…