Answer:

For water :

Check for leaky faucets and have them fixed

Dispose of chemicals properly.

Boiling the water can also help keep it clean

You can use filters or perhaps home made ones to remove dirt, large particels and more

Avoid mixing, adding detergents on drinking water

For air :

Avoid making fires

Make sure to have your cars engine clean regularly, to avoid emiting or producing to much smoke

thats all sorry :(

Explanation:

Answer:

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