If a bumblebee's wings beat 100 times a second, a wasp's wings beat 120 times a second and a yellow jacket's wings beat 80 times a second, which type of bee would have the highest pitch buzz?

Andra has a family history of osteoporosis. her doctor advises her to eat foods rich in calcium. which foods should she add to her diet? a. fruits, especially grapes and berries b. unsaturated fats like olive and soybean oil c. beet greens, broccoli, and cheese