The thin protective layer of gas 10 kilometers to 50 kilometers above the earth that acts as a filter for ultraviolet (UV) radiation from the sun. High UV levels can lead to skin cancer and cataracts and affect the growth of plants.
The thin protective layer of gas 10 kilometers to 50 kilometers above the earth that acts as a filter for ultraviolet (UV) radiation from the sun. High UV levels can lead to skin cancer and cataracts and affect the growth of plants.