37 to 42 weeks is the average length of a human pregnancy.
B. Placenta (works with the umbilical cord to provide nutrients to the developing human)!
Hi There,
A birth plan<span> is a document that lets your medical team know your preferences for things like how to manage labor pain. </span>
Politely ask your mother not to smoke inside but to move outside where no one would suffer secondhand smoke.
Participants share the same home environment but do not share the same genetic code so researchers can study the impact of biological factors. Thus, option "B" is correct.
<h3>How do adoption studies allow us to separate genetic from environmental influences?</h3>
The potency of the adoption design—separating hereditary from environmental effects on a person's action—results from pulling the child (ideally at birth) from the delivery parents and their environment into a distinct environment with biologically unrelated adoptive parents.
Thus, option "B" is correct.
To learn more about biological and environmental factors click here:
brainly.com/question/12072029
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