Biogas is an alternate source of renewable energy. A mixture of gases like methane plus carbon dioxide in a proportion of 60: 40 is produced from the organic matter and is popularly known as biogas.
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We should take the following steps to conserve non-renewable resources. 1. Prohibiting wastage of resources 2. Use of substitutes 3. Recycling resources and 4. Repair and use.
The following steps can be taken for conserving renewable resources: Using water economically and preventing wastage, planting trees on a large scale is called afforestation. Roots of plants bind the soil thereby preventing soil erosion and etc.
Natural resources that can be regenerated through rapid natural cycles are called renewable natural resources whereas non-renewable resources include coal, petroleum, natural gas, mineral ores, diamonds, etc.