which condition is characterized by a lack of back-and-forth imitation of gestures and facial expressions during infancy and deficits in empathy and social skills later in life?

Persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research was approved.persons who are under 18 years of age.persons who have not yet attained the legal age of consent under the applicable laws in the jurisdiction in which the research will be conducted.persons who are under 21 years of age.

The two-factor theory of emotion was proposed by

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti