To warm up before a run, david begins by completing quad and hurdler's stretches. which of these accurately evaluates his choice of warm-up activities? a ) these activities are appropriate because they prepare muscles for intense movement. b)these activities are not appropriate because the muscles stretched are not warm yet. ] c) these activities are appropriate because they make the leg muscles more flexible. d)these activities are not appropriate because they stretch muscles not used in the exercise.

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answer; the correct answer is (beta)

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.

answer: andy garner, a 17-year-old who decided to become a human guinea pig in 1965 and go without sleep for 11 days. by the second day his eyes had already stopped focusing, and he lost the ability to identify objects by touch. by day three he was moody and uncoordinated and by the end he had trouble with short term memory and had even started hallucinating.

and a rare genetic mutation called fatal familial insomnia, where people can’t sleep at all, gets progressively worse over months or years and leads to dementia and death.

a devoted soccer fan died after staying awake 48 hours to watch the world cup, she said. ‘while his untimely death was due to a stroke, studies show chronically sleeping fewer than six hours a night increases stroke risk by 4 1/2 times compared with those getting a consistent seven to eight hours.'

*shorten it up as your wish*

(i have divided it into 3 simple paragraphs)