Renewable Sources And Non Renewable Sources. Even these days 90 percent of metal entering our refineries is iron. Renewable energy sources are constantly replenished during our lifetime whereas non renewable energy sources takes millions of years to form which means they will not replenish on a human time scale and will soon run out.
Renewable resources refers to the resources which replaces itself naturally in a short period. Burning releases greenhouse gases into the environment. Even these days 90 percent of metal entering our refineries is iron.
No greenhouse gases produced.
Examples of renewable resources are the sun wind and tidal energy. Renewable resources non renewable resources. No greenhouse gases produced. But from the perspective of a resource iron belongs to the category of non renewable resources because it does not get naturally replenished.
