The __________ houses blood vessels that join the embryo to the placenta

In what order does language development proceed?

a. Babbling, cooing, expressive language, receptive language b. Cooing, babbling, receptive language, expressive language c. Babbling, first words, receptive language, expressive language d. Cooing, babbling, telegraphic speech, expressive language

Control theories of motivation claim that ______.

a. motivation is the result of feeling controlled b. the perception of control improves motivation c. humans are motivated by a need to control others d. needs are based on basic drives and are arranged hierarchically