The UV index is a value calculated each day that helps you to know how much UV radiation will reach you if you go outside. By knowing the index value for the day, you can take appropriate precautions. These precautions help you avoid sunburn in the short term and skin cancer in the ...
A. Ignore it and go out without any protection. B. Just wear a thin shirt. C. Wear sunscreen and sunglasses. D. Stay at home all day. 相关知识点: 试题来源: 解析 C。解析:UV index表示紫外线指数,当紫外线指数高的时候,我们应该做好防护,涂防晒霜和戴太阳镜。选项A忽略它且不做任何防护...
Would you explain what is meant by the UV Index? Are we supposed to avoid the sun at certain times? When are those times?(Ask Dr. Cory)SerVaas, Cory
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CRI is a convenient metric because it is represented as a single, quantified number. CRI values that are 90 and above are considered excellent, while scores below 80 are generally considered poor. (More on this below). Part 2: Color Rendering Index (CRI) is used to measure artificial, whit...
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your hair. First, your body perceives rapid weight loss as a stressful event — it thinks you’re starving. Second, it might mean that you’re not getting the nutrients your body needs to grow healthy hair. In times of stress or nutrient shortages, your hair is the first thing to go....
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ArcGIS Pro is a 64-bit, multithreaded application with a modern user experience that runs on the Windows platform. Documentation ArcGIS web help has moved to two new sites:ArcGIS for DesktopandArcGIS for Server. Help also has been redesigned with a new navigation experience, and many sections ...