Gravity is an attractive force that decreases as the mass of an object increases.
true or false

False. No matter what, gravity pulls the same on any object. remember the experiment where you dropped a heavy ball and a light one, but they hit the ground at the same time? That's because gravity affects all the same. 

D. not all can afford without health insurance

The answer you're looking for is washing your hands. "at this late date, we all expect our doctors to wash their hands before examining us or performing an operation in order to prevent the spread of infection. surprisingly, physicians did not begin to acknowledge the lifesaving power of this simple act until 1847.it was then that dr. semmelweis began exhorting his fellow physicians at the famed vienna general hospital (allgemeines krankenhaus) to wash up before examining women about to deliver babies. his plea was far more than aesthetic; it was a matter of life and death and to prevent a deadly malady known as “childbed” or puerperal (from the latin words for child and parent) fever."