<span>To get the most use from your exercise, stay in your target heart rate range for at least 20 minutes during an exercise session.</span>
You only have the questions.... there’s no video or picture to look from.
The answer is option C "miscarriage".<span> Its not option A because toxemia is blood poisoning that happenings to pregnant women which could lead to deaf. Its not option C because genetic diseases happen to children but I'm not sure if there or unborn, or after birth.
Hope this helps!
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The answer is b . It can help improve the poor posture responsible for back pain
