The average life expectancy for men is ______ years, for women ______ years

Fredrick Taylor's approach to work motivation was known as:

A) vocational interests. B) Army Alpha. C) scientific management. D) scientist/practitioner approach.

Many children who are deaf, who are born to hearing parents, invent their own signs when they are not instructed in formal sign language. This is known as _____

Fill in the blank with correct word