Moral rules are rules of conduct that apply in particular social contexts

How do people who use American Sign Language place emphasis in their sentences?

a) They use arm movements. b) They use facial expressions and pantomimes of emotions. c) They use arms and hands rather than just one arm and hand. d) They code emphasis by the number of fingers involved in their communications.

Chun Lee sticks anything in his mouth that he can get his hands on. He has also started looking in the general direction of sounds that he hears. Chun Lee is exhibiting which of the following?

A) Primary circular reactions B) Secondary circular reactions C) Coordination of secondary schemes D) Tertiary circular reactions