Over the last two centuries, children have tended to reach their adult height earlier and are taller than their ancestors. What is the name for this type of phenomenon?

How many steps does the scientific method have in classic form?

5 3-4 2 6

Silver nitrate is used with newborns to

A) remove remnants of vernix caseosa. B) expel excess amniotic fluid from the lungs. C) prevent visual problems. D) supply needed nutrients.