In the United States, almost ___________ of children are enrolled in some type of childcare arrangement outside of the home, which either explicitly or implicitly teaches skills that enhance intellectual and social abilities

Which of the following is NOT a primary sex characteristic?

a. penis b. ovaries c. prostate gland d. pubic hair

Intelligence is a central human characteristic that differentiates humans from other species, and genetics plays a significant role in intelligence

Indicate whether the statement is true or false.