We know that increased exposure to UV-B radiation has specific effects on human health, crops, terrestrial ecosystems, aquatic ecosystems, and biogeochemical cyclesThe effects of UV-B radiation on human skin are varied and widespread. UV-B induces skin cancer by causing mutation in DNA and suppressing certain activities of the immune system. The United Nations Environment Program estimates that a ...
timeSun, 18 Oct 2020 14:50:07 GMT
网络文化经营许可证:浙网文[2013]0268-027号|增值电信业务经营许可证:浙B2-20080224-1 2007-2024 Tradevv.com. All rights reserved.