The answer is A "the daily intake of certain nutrients"
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Dwarfism is a condition caused by hyposecretion of growth hormone and would explain her height.
You can get an X-Ray, see a chiropractor, etc.
The barrier method is used to prevent the male sperm from traveling to the female egg. Some common forms of birth control that is considered the barrier method are male condoms, female condemns, foams and diaphragms.