Air. Food. Water. People/animals
I think URL, because its <span> the generic term for all types of names and addresses that refer to objects on the World Wide Web. if im wrong im sorry :/</span>
Me and my family help to reduce pollution by riding our bikes instead of taking our car. We also help preserve natural resources by taking shorter showers and not wasting water. (This is a simple answer and you can add on to it)