| 31. | The ozone layer protects life on Earth from dangerous ultraviolet rays.
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| 32. | Other effects, including ultraviolet rays and ozone were sometimes blamed for the damage.
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| 33. | The harsh ultraviolet rays of the sun can cause the pigments to fade quickly.
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| 34. | Acting as a sunscreen, it provides protection against ultraviolet rays.
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| 35. | Their radiation therefore reaches us as visible blue light rather than invisible ultraviolet rays.
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| 36. | Mudpods have sensitive backs that can sense the ultraviolet rays.
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| 37. | Exposure to ultraviolet rays increases the risk of skin cancer and other health problems.
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| 38. | Friedly came through with 30 pairs of shades with lenses that block ultraviolet rays.
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| 39. | The sun's ultraviolet rays can cause the insulation to deteriorate.
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| 40. | Ultraviolet rays in sunlight could be an answer, Lewis says.
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