Which of the following statements is true? select one: a. people do not need calcium throughout the entire life. b. people develop their peak bone mass during the first four decades of life. c. the skeleton no longer adds to bone density after 20 years of age. d. the bones begin to lose density after 40 years of age regardless of calcium intake.

Ithink the correct answer would be that since the disease is passed by a hand shake and can be cured with antibiotics that it could be an infection. an example could be that once when i was working in a bush camp, i got blood poisoning from blood blisters that got infected. our cook did not wash his hands after going to the bathroom and he passed staphyloccus on to the crew he fed. one other person also got a bad similar infection on the side of his face. i had to be rescued by helicopter and taken to the hospital so i wouldn't die!