The structure of the eye that first helps focus light waves into a narrower beam is the:

Increase in hormones referred to as ________ is partially responsible for the increased sex drive associated with puberty

Fill in the blank with the appropriate word.

The term ________ refers to a major educational phenomenon in which students are taught not by teachers in schools, but by their parents in their own homes

A) home schooling B) parent education C) back to basics D) parents as teachers