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Conduct a survey in your neighbourhood to find out what the three most common diseases are. Suggest three steps that could be taken by your local authorities to bring down the incidence of these diseases.
 
a. Proper garbage disposal and storage in covered areas can prevent disease spread in the community.
 
b. The authorities in the area don't use insecticides and don't provide clean drinking water to stop diseases.
 
c. Local authorities fill in potholes and ditches to prevent mosquito breeding.
 
d. Educational events aren't necessary to prevent the spreading of diseases.