Pelvic inflammatory disease is a sign that a woman has had either gonorrhea or chlamydia

Marwan understands that when a ball of clay is flattened into a pancake shape that there's still the same amount of clay. He says, "you could just bunch up the clay into a ball again—it's still the same thing." He is exhibiting:

A) conservation. B) identity. C) reversibility. D) all of the above

According to Phinney, what ethnic identity status is the most common among African American adolescents?

a. assimilation b. marginality c. separation d. biculturalism