Answer:
in my opinion, the main things to do to prevent water and air pollution is to keep your surroundings clean and separate biodegradable (wood, dead organisms, human and animal waste, etc.) and non-biodegradable (plastic, cans, toxic chemicals, etc.) trash/garbage properly
Explanation:
separation of garbage and taking care of your surroundings is for clear water on lakes and fresh air everywhere
(hope this helps)
