You didn't put any of the options but I would probably say something like because America is becoming obese and fat.
<span>B. you’ve lost weight before but gained it back due to lack of physical activity
This is cause by personal lack of activity
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Probably once and you’ll be sore for a little while
Estrogen and progesterone are hormones that are important for sexual and reproductive development in women. Estrogen and progesterone help to regulate a woman’s menstrual cycle and play an important role in pregnancy. While they are often thought of as ‘female hormones’, both estrogen and progesterone are also found in men.
Take some simple measurements, add a dash of algebra, and you basically have a way to measure an unknown mass.