View HintsCoal and petroleum are non - renewable resources. Present at all seasons of the year. They are mostly grown in hilly areas. These rivers have water throughout the year. Think of all the resorces naturally available. Natural resources can be defined as the resources that exist , independent of human actions. Black soils are mineral soils which have a black surface horizon, enriched with organic carbon that is at least 25 cm deep. Non- renewable resources are natural resources that cannot be replaced by natural means. A renewable resource is can be used repeatedly because it is naturally replaced. |
