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- What Role Does Ozone-Layer Depletion Play?
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Did Birds Evolve from Dinosaurs?
The Twelve Dancing Princesses
Current Events This Week: January 2023
African Americans by the Numbers
Andersen’s Fairy Tales: Contents
The Celtic Twilight: A Teller of Tales
The ozone layer shields the earth from the sun’s harmful UV rays. Over the past ten years, scientists worldwide have recorded decreasing levels of ozone in the atmosphere. Less ozone means that more UV radiation reaches earth, increasing the danger of sun damage. The cause of the ozone depletion is under debate, but scientists agree that future levels of ozone will depend upon a combination of natural and man-made factors, including the phase-out of chlorofluorocarbons and other ozone-depleting chemicals.
Ultraviolet Index: What You Need to Know
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Ultraviolet Index: What You Need to Know
- Ultraviolet Index: What You Need to Know
TrendingHere are the facts and trivia that people are buzzing about.
Did Birds Evolve from Dinosaurs?
The Twelve Dancing Princesses
Current Events This Week: January 2023
African Americans by the Numbers
Andersen’s Fairy Tales: Contents
The Celtic Twilight: A Teller of Tales
TrendingHere are the facts and trivia that people are buzzing about.
Did Birds Evolve from Dinosaurs?
The Twelve Dancing Princesses
Current Events This Week: January 2023
African Americans by the Numbers
Andersen’s Fairy Tales: Contents
The Celtic Twilight: A Teller of Tales
- Did Birds Evolve from Dinosaurs?
- The Twelve Dancing Princesses
- Current Events This Week: January 2023
- African Americans by the Numbers
- Andersen’s Fairy Tales: Contents
- The Celtic Twilight: A Teller of Tales
