Question

Which alternative needs to be conserved so they have time to be replaced

Answer 1

Answer:

Using alternate resources is one thing that will help; creating better resource management plans is what will also help to preserve these resources for the future.

Water. While the earth may be mostly water, only about 2-1/2 percent of it is freshwater. ...

Air. ...

Coal. ...

Oil. ...

Natural gas. ...

Phosphorus. ...

Bauxite. ...

Copper.