Why could this advice be inaccurate to different people

Which of the following is a true statement? a. the male sex hormone is called estrogen. b. the female sex hormone is called testosterone. c. both sexes manufacture some amount of the sex hormone associated with the opposite sex. d. only males secrete testosterone and only females secrete estrogen

When trimming plants and vines: a. burn all the poisonous plants b. touch poison oak and poison sumac with your bare hands c. wear gloves d. cut as quickly as possible

When children are young and go to the doctor, the doctor will give them booster shots. this re-exposes the children to a dead portion of a disease to them build immunity.