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- Macular degeneration is a serious disease of the eyes that can lead to blindness. A recent study suggeststhat nutrients such as lutein and zeaxanthin, found in green leafy vegetables, can slow the onset andprogress of this disease in humans. In the study, a group of 2000 older individuals were contacted throughrandom digit dialing and asked about their eating habits. (Macular degeneration usually manifests later inlife.) The group who ate green leafy vegetables fewer than two times a week had a significantly higher rateof macular degeneration (25% higher) than those who ate green leafy vegetables five or more times perweek. They also had a higher rate (5%) of cases that were considered severe among those who had thedisease.(a) Determine whether the study is an observational study or an experiment. Explain how you know.(b) If the study is an experiment, identify the control and treatment groups. If the study is observational,state whether it is a case-control study, and if so, identify…How is our concept of human form and function todayaffected by inventors from the seventeenth to the nineteenth centuries?How did the components of our bodies come to be and to do the things that they do?
- Savannah and her 59-year-old grandfather spent a long daygardening. Pulling weeds, raking, and planting left both ofthem a bit sore. However, Savannah’s grandfather was morestiff and sore, and it took him much longer to recover thanSavannah. Why did Savannah and her grandfather react tothis exertion differently?The question I have is "Are we humans?" I know it sounds like a weird question to ask but I'm serious. Why are humans classified as humans? Why can't animals be humans?What is science? Why is it important to our society?
- Why do you think science is an important field of study? How does science impact our day to day lives?Trishmadeafewpansofbrowniestosell. Rachelalsocontributed5pans.Eachpan ofbrownieswascutinto12squares.If therewereatotalof84browniesquares, howmanypansofbrowniesdidTrish make?About Dr. Kizzmekia Corbett What was most interesting? What is the research area your chosen scientist studies? What did you learn about the types of people who do science? What new questions do you have after reading about this scientist? How did learning about this scientist make you feel about science?