Chemistry, 15.07.2020 02:01 roseemariehunter12
"Caffeine improves mental alertness and motor coordination. A university research study was conducted to examine how caffeine affects fine motor skills. Ten teen girls, ages 14 to 18, were given 200 mg of caffeine per day for 30 days. Thirty minutes after taking the caffeine, each subject took a timed fine motor skills test in which they fitted 20 small beads onto pegs. The graph compares each subject’s average results on the same test done 30 minutes before and after taking the caffeine." Which group would most benefit from the claim? A. people who sell coffee with caffeine B. people who sell decaffeinated tea C. diners that serve only drinks without caffeine D. manufacturers of caffeine-free bottled fruit juice
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Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions
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"Caffeine improves mental alertness and motor coordination. A university research study was conducte...
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