What are The Dietary Guidelines for Americans? (A) guidelines developed to improve health

(B) intended to reduce nutrition-relation disease

(C) strive for a balance between energy intake in food and energy use in exercise.

(D) all of the above.

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.