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Ozone

Holt Earth Science Chapter 17, Section 17.2

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Environmental Science
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Foreign relations
Law
Government
Greenhouse gases
Gases
Ultraviolet radiation
Oxidizing agents
Atmospheric thermodynamics
Ozone
Atmosphere of Earth
Montreal Protocol
Atmosphere

Composition of the Atmosphere Air is a mixture of many discrete gases with their own physical properties in which different quantities of tiny solid/liquid particles are suspended. A. Major Components Composition of air varies depending on the time and place. If H20 Vapor, dust, and other variables were removed from the atmosphere, the makeup is very stable worldwide for an altitude of ~ 80 km. Ni and O2 make up 99% of clean, dry air. They are the most plentiful components, and important to life, but do not affect weather much. The remaining 1% is mostly Argon (0.93%) and other tiny quantities of many other gases. B. Carbon Dioxide (CO2)

Campbell Biology 9th Edition - Ch. 56 Conservation

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Biology
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Climatology
Chemistry
Climate forcing agents
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Greenhouse gases
Climate change
Environmental chemistry
Carbon dioxide in Earth's atmosphere
Global warming
Fossil fuel
Greenhouse effect
Ozone

Chapter 56: Conservation Biology and Global Change Biodiversity Conservation biology is a goal-oriented science that seeks to counter the biodiversity crisis, the current rapid decrease in Earth?s variety of life. Extinction is a natural phenomenon that has been occurring since life evolved on earth. The current rate of extinction is what underlies the biodiversity crisis. A high rate of species extinction is being caused by humans. The three levels of biodiversity: genetic diversity species diversity ecosystem diversity The four major threats to biodiversity: Habitat loss Human alteration of habitat is the single greatest threat to biodiversity Introduced species: invasive/nonnative/exotic species Overexploitation: harvest wild plants/animals

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Art History
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Ozone depletion
Environment
Oxygen
Earth
Chemistry
Atmosphere
Disinfectants
Environmental chemistry
Ozone
Ultraviolet
Stratosphere
Ozone layer
Health
Technology
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Physics
Chemistry
Nuclear physics
Chemical properties
Baryons
Charge carriers
Atomic number
Proton
Ozone depletion
Ozone
Chemical element
Atomic mass
Technology
Gone With the Wind

Michael Treacy 3/3/2010 Pd. 3 Ozone Hole @ TD 1. What is the Ozone and why do we need it in our atmosphere to have a healthier planet? The Ozone is the Gas O3. This gas is located in the Stratosphere and absorbs UV Rays. We need the ozone in our atmosphere because it absorbs 98% of the UV Rays. Without the ozone to filter all these UV Rays many animals would have medical / health problems. 2. Describe how the ozone protects us. The ozone protects us by filtering out and absorbing most of the UV Rays before they reach the earth. Most of the Rays are biologically harmful and know to damage tissues and cells. 3. How is a chlorine atom harmful to the ozone in the stratosphere?

Comparing global warming to ozone depletion

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Environmental Science
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Environment
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Ozone depletion
Earth
Global warming
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World Wide Web
Technology

The Difference Between Global Warming and Ozone Depletion Foreman Room 102 1. Global Warming and Ozone Depletion take place in two different layers of the atmosphere: Global Warming Ozone Depletion Global Warming vs. Ozone Depletion: Causes Global Warming: cars, factories, rice farming, landfills: Infrared heat enters but is trapped by the chemicals when it tries to escape. The chemicals act like a blanket. CO2 CH4 NOx CFCs H2O Global Warming vs. Ozone Depletion: Causes Ozone Depletion: Propellants (hairspray), Air Conditioners, some manufacturing. Chemicals react with UV protecting ozone in the stratosphere. CFCs CCl4 CF4 Ozone is good up high but bad nearby Global Warming vs. Ozone Depletion: Environmental Effects and Human Health: GLOBAL WARMING
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