Answer:
Research the cause of cancer
Explanation:
The definition of epidemiologist is "scientists who study diseases within populations of people."
Can you place which answers to chose from please?
RWIs are caused by germs and chemicals found in the water we swim in. RWIs spread by swallowing, breathing in mists or aerosols of, or having contact with contaminated water in swimming pools, hot tubs, water parks, water play areas, interactive fountains, lakes, rivers, or oceans. Diarrhea is the most common RWI. ~ JyMarkus