which natural resources we need to exist on earth
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Water. While the earth may be mostly water, only about 2-1/2 percent of it is freshwater. ...
Air. Clean air is necessary for the existence of life on this planet. ...
Coal. Coal is estimated to be able to last less than 200 more years. ...
Oil. ...
Natural gas. ...
Phosphorus. ...
Bauxite. ...
Copper.
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