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Ozone depletion

Ozone

Subject: 
Environmental Science
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Chemistry
pollution
Environment
Smog
air pollution
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Millennium Development Goals
Environmental issues
Ozone depletion
Ozone
Particulates
Carbon dioxide

Ozone: Ozone is found near the ground in the troposphere, and it is also a major component of smog. The ozone close to the ground should not be confused with the ozone in the upper layer of the atmosphere (the stratosphere), which screens out harmful ultraviolet rays. Ozone is formed when nitrogen oxides and volatile organic compounds mix in the sunlight, and therefore ozone levels are always higher in summer. Nitrogen oxides are formed by burning fossil fuels, and some sources of volatile organic compounds are factories and trees.

APES MIDTERM 2007

Subject: 
Environmental Science
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Chemistry
matter
Environment
Millennium Development Goals
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Oxides
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Ozone depletion
Ozone
Greenhouse gas
NOx
pollution
APES
environmental science

Practice Test APES Spring Midterm 2007 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following does not apply to sea otters? a. They have blubber to keep them warm. b. They can eat 25 % of their weight per day in sea urchins and other benthic organisms. c. They use tools. d. They have the thickest fur of any mammal. ____ 2. The most common pattern of population dispersion found in nature is a. random. b. uniform. c. clumped. d. dispersed. ____ 3. Biotic potential is determined by a. reproductive age span. b. the minimum viable population. c. how many offspring die before reproducing. d. irruptive populations.

APES MIDTERM 2007

Subject: 
Environmental Science
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Tags: 
Chemistry
matter
Environment
Millennium Development Goals
Environmental issues
Oxides
Energy economics
Ozone depletion
Ozone
Greenhouse gas
NOx
pollution
midterm
APES
environmental science

Practice Test APES Spring Midterm 2007 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following does not apply to sea otters? a. They have blubber to keep them warm. b. They can eat 25 % of their weight per day in sea urchins and other benthic organisms. c. They use tools. d. They have the thickest fur of any mammal. ____ 2. The most common pattern of population dispersion found in nature is a. random. b. uniform. c. clumped. d. dispersed. ____ 3. Biotic potential is determined by a. reproductive age span. b. the minimum viable population. c. how many offspring die before reproducing. d. irruptive populations.

Chapter 18 Powerpoint

Subject: 
Chemistry
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SocialTags: 
Atmosphere
Earth
Atmospheric sciences
Chemistry
Thermosphere
Mesosphere
Altitude
Sphere
Natural environment
Stratosphere
Oxygen
Environment
Tags: 
Chemistry
Oxygen
Smog
Ozone depletion
Refrigerants
Oxidizing agents
Ozone
NOx
Photodissociation
Atmosphere
Natural environment
Sulfur dioxide
Environment

Chapter 18: Chemistry of the Environment Priyal Patel AP Chemistry 0pd 18.1 Earth?s Atmosphere Temperature varied due to altitude Decreases with increasing altitude Layer of atmosphere Troposphere Stratosphere Mesosphere Thermosphere Composition of the Atmosphere Not uniform Bombarded with radiation and energetic particles Lighter atoms rise to top N2 triple bond for between Nitrogen atoms O2 Much more reactive Reacts to form oxides 18.2 The Outer Regions of the Atmosphere Outer portion of atmosphere is important in determining conditions of life Upper layer forms outer defense against radiation and high-energy particles Photodissociation Rupture of a chemical bond resulting form absorption of a photon by a molecule Does not form ions Forms two neutral particles

Help

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Art History
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Ozone depletion
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Physics
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Baryons
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Ozone
Chemical element
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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?
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