百度试题 题目Ultraviolet rays from the Sun can cause which of the following? A.SunburnB.Skin cancerC.Both A and BD.Neither A or B相关知识点: 试题来源: 解析 C 反馈 收藏
Sunscreens (防晒霜) can offer protection from two types of ultraviolet (UV) rays (紫外线): UVB, which according to the Skin Cancer Foundation, are the chief cause of sunburn and play a key role in the development of skin cancer, and UVA, which get through the skin more deeply and are...
To prevent cancer and other diseases linked to UV radiation the agency recommends that people:— Limit time in the midday sun. — Use shade wisely and seek shade when UV rays are most intense. — Wear protective clothing hats and sunglasses....
Humans acquired dark skin in Africa about 1.5 million years ago to protect bodies from ultra-violet rays of the sun which can cause skin cancer. But when modern humans leave Africa to live in northern latitudes they need more sunlight on their skin to produce vitamin D. So the related gene...
will be thinner over the United States this summer.The thinner layer allows more ultraviolet rays from the sun to reach the earth.The extra amount of ultraviolet radiation could cause an increase in the number of cases of skin cancer.Ozone depletion is the result of a complex set of ...
On the other hand, UVB rays mainly cause DNA damage in skin cells, leading to sunburns and a heightened risk of skin cancer. Additionally, UVB rays prompt melanin production, which results in tanning. Prolonged exposure to UVB can also leave the skin more vulnerable to various diseases and ...
语法填空 The skin, which acts as a barrier1disease, toxins and the sun's harmful rays, is an essential part of your body. So if your skin gets burned, it can lead to very serious injuries. Depending on the2(deep) of skin damage, burns are divided into three types. First-degree burn...
humans from harmful levels of ultraviolet(紫外线)radiation, will be thinner over the United States this summer.The thinner layer allows more ultraviolet rays from the sun to reach Earth.The extra amount of ultraviolet radiation could cause an increase in the number of cases of skin cancer. ...
Frequent appearance before X-rays can cause skin burns, cancer or other damage to the body. Yet CAT scans actually don’t cause the patient to more radiation than regular X-rays do. CAT scans can also be done without getting something harmful into the patient, so they are less risky than...
Humans acquired dark skin in Africa about 1.5 million years ago to protect bodies from ultra-violet rays of the sun which can cause skin cancer. But when modern humans leave Africa to live in northern latitudes they need more sunlight on their skin to produce vitamin D. So the related gene...