Which one of the following is not a benefit of fitness walking a. fun b. increases risk for osteoporosis c. relieves stress d. low impact on joints

B. increases risk for osteoporosis is the answer      i wanted to say fun cause it would have been funny but no the real answer is b

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the answer is:

carbon dioxide

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.