Ultraviolet (UV) radiation plays a significant role in natural processes such as:
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Photosynthesis: UV radiation is essential for the process of photosynthesis in plants and algae, which converts sunlight into energy for growth and development.
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Vitamin D synthesis: UV radiation helps in the synthesis of vitamin D in the skin of humans and animals, which is crucial for bone health and immune system function.
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Ozone layer formation: UV radiation interacts with oxygen in the stratosphere to form the ozone layer, which protects life on Earth by absorbing most of the sun's harmful UV radiation.
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DNA damage and repair: UV radiation can cause damage to the DNA of living organisms, but it also triggers repair mechanisms that help maintain genetic integrity.
Overall, while UV radiation can have both positive and negative effects on living organisms, it is an essential component of many natural processes that support life on Earth.