Bottled water can be just tap water in abottle.C. It may be better for your teeth .D. It may contain fluoride . 相关知识点: 试题来源: 解析 【解析】1.C.主旨大意题.文章主要讲述瓶装水所给地球带来的各种环境上的问题,瓶装水并非我们所想象得那么的好,故选C.2.C.细节理解题.根据文章第五段...
美国食品药品监督管理局(FDA)官方原文内容: SUMMARY: The Food and Drug Administration (FDA or we) is revising the quality standard for bottled water to specify that bottled water to which fluoride is added by the manufacturer may not contain fluoride in excess of 0.7 milligrams per liter (mg/L)...
Also, most bottled water doesn't have fluoride(氟化物), which can make teeth stronger. Kids are drinking more bottled water and less fluoridated tap water, and some say that's behind the recent rise in bad teeth. Storing is another problem. Placed near heat, the plastic bottles can ...
Dr Susheela Warns ofFluoride Linkto Miscarriages, Stillbirths and Retardation. Anyone that tells you that a poison second only to arsenic is safe is a psychopath.Consumer Reportsfinds arsenic fluoride in bottled water. AP STOPS FLUORIDE INJECTIONTECH (IT) Citing, "no quality control". ...
bottled waters. However, the FDA allows a maximum fluoride level of 2.4 mg/L even in products said to containno added fluoride. Brands likeJUST Waterhave been shown to contain natural fluoride levels as low as 0.2 mg/L, illustrating a simple way to get clean water delivered direct t...
Fluoride is absorbed by plants through the stomata as they take in air and through roots when they absorb water, but itis not very mobile in plants. When absorbed through roots, much of it stays in the root. Fluoride that reaches a leaf usually stays there and migrates to the tip and ...
What is Fluoride? Fluoride is a natural mineral found throughout the earth's crust and widely distributed in nature. Some foods and water supplies contain fluoride. Fluoride is often added to drinking water to help reduce tooth decay. In the 1930s, researchers found that people who grew up ...
somebottled water makes them not good for feeding babies and youngchildren." Also, most bottled water doesn't have fluoride(氟化物), which can make teeth stronger. Kids are drinking more bot-tled water and less fluoridated tap water, and some say that's be-hind the recent rise in bad ...
This is because distilled water does not contain any contaminants or chemicals like fluoride or chlorine in it. You should also keep in mind that bottled water is not pure either since it has been processed by machines before being bottled, which means it may contain traces of plastic as well...
Focuses on the concern of dentists about the growing number of children who may not be getting enough fluoride in the United States. Effect of the habit of drinking only bottled water; Prevention of cavities by fluoridated water.EBSCO_AspCurrent Events...