Read the passage about the fluoridation of drinking water.Since the early 1960s, fluoride has been added to many sources of drinking water to prevent cavities in teeth. This is called fluoridation. There are some who say that this is unnecessary and increases the risk of cancer.In 1993, the Subcommittee on Health Effects of Ingested Fluoride of the National Research Council, part of the National Academy of Sciences, conducted an extensive study about the link between fluoridated drinking water and increased cancer risk. The study included data from more than 50 human disease studies and six animal studies. The Subcommittee concluded that none of the data showed a link between fluoridated drinking water and cancer. A 1999 report by the CDC supported these findings. The CDC report concluded that studies so far have produced "no credible evidence” of a link between fluoridated drinking water and an increased risk for cancer.
Which statement describes the relationship between science and society?
Wanda and Marita are drinking bottles of water. Each girl sounds a different musical note by blowing across the top of her bottle.What is a good hypothesis that could lead to new experimentation?
Advancements in which field have increased the ability to store increasing amounts of data on electronic devices?
The list shows the results of six athletes competing in the long jump, which has a target distance of 20 feet.12 feet, 11 feet, 13 feet, 10 feet, 20 feet, 12 feet
Why is it important to have a control group in an experimental investigation?
Which tool can be used to measure the volume of liquid?
Which regulating agency was put in place due to scientific information that showed the dangers of air pollution?
Which describes the correct procedure when converting a number from scientific notation to standard notation?
Which model is most likely used to predict a future event?
Which is the SI symbol for volume?
Students are studying the changing concentration of carbon dioxide levels in different substances. They insert sensors into each substance and allow a device to graph the results.What are the students most likely using?
Which instrument is best suited for measuring the dimensions of a shoebox?
What information most likely lead to some states banning the use of cell phones while driving?
What is 0.000345 expressed in scientific notation?
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