D. Fats provide 9 calories
True. Biking or walking exercises the leg muscles more than riding in a car would.
B. more teens have unprotected sex when drinking alcohol
The answer is <em>C.) The stethoscope was invented because the physician did not want to pt his head on women's' chests to listen to their heart and lungs.
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<em />The physician saw a problem (that he didn't want to place his head on women's chests to listen to their heart and lungs), so he solved it by inventing a stethoscope.
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I hope this helped!! :)) Have a blessed day!
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You can get obese and than u would become lazy