INDIAN GEOGRAPHY

Detailed explanation-1: -Sometimes, natural substances become resources only when their original form has been changed. Iron ore was not a resource until people learnt to extract iron from it. People use natural resources to make buildings, bridges, roads, machinery and vehicles, which are known as human made resources.

Detailed explanation-2: -Answer. Answer: when natural resources change form to become resources they are called man made resources.

Detailed explanation-3: -Time and technology are the two important factors that can change substances into resources. Time can change the value of the resource and technology can change the utility of the resource.

Detailed explanation-4: -Utility or usability is what makes an object or a substance a ‘resource’. A resource is anything that can be used to satisfy a need and has value.

Detailed explanation-5: -Quantity does not make a substance into a resource. Utility is what makes any object a resource.