___________ leaders tend to have engaging personalities which fuel their successes

As early as four months of age, infants ____

a. recognize their names b. produce at least 10 words c. understand 40 words d. remember their parents' names

A _____ female is ______ likely to exhibit interfemale aggression

a. 1M; more b. 1M; less c. 2M; more d. 2M; less