By the mid-teens, estradiol production in females is how many times greater than it was before puberty?

A system for combining symbols so that an infinite number of meaningful statements can be made is called ________

a) pragmatics b) language c) semantics d) grammar

Nancy has just experienced a sudden growth spurt. Soon she will notice

the appearance of pubic hair. breast development. her first menstrual period. an increase in her shoe size.