Which term describes a precancerous skin growth that occurs on sun-damaged skin?

What behavior of an expectant mother is unhealthy for the fetus

Blood cells bring oxygen to cells and take carbon dioxide away. true or false

According to harry harlow’s experiment what behavior did the baby monkeys exhibit when the cloth mother was present? a. they cowered in the corner of the room. b. they were willing to explore the room. c. they sought refuge with the wire mother. d. he behaved aggressively toward the cloth mother.