It's estimated that by the age of five, a child whose parent or parents work full time will have spent of their lives in the care of someone other than their parents in some type of child care setting.

a. 1%
b. 25%
c. 75%
d. 100%

Janell sees an advertisement for a new skin-care product. which question should she ask herself about the product?

When you have proper posture, your back is arched. a. true b. false

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.