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public health was encouraged by the roman government. structures were built to help pipe water into cities, and sewage systems were constructed to remove waste from larger cities. they developed the first hospitals which were used primarily for the military, and introduced the idea of medical specialists.
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Answer:
Cancer is often detected when an individual notices a change in his or her health — excessive fatigue, for example, or unusual bleeding, a lump that doesn't go away, unexplained weight loss, night sweats, or a persistent change in bowel or bladder habits.Cancer that's diagnosed at an early stage, when it isn't too large and hasn't spread, is more likely to be treated successfully.
Explanation: look it up i hope it help
c. collision sports same thing as saying contact sports such as football is a collision sport
