i. The types of resources on basis of stock are renewable and non-renewable resources.
ii. All resources have some value.
iii. Time and technology are two important factors that can change substances into resources.
iv. On the basis of distribution resources can be ubiquitous or localised.
v. On the basis of origin, resources can be abiotic or biotic.
vi. On the basis of development and use resources can be classified into two groups, actual resources and potential resources.
i. Natural gas is a non-renewable resource. True
ii. High speed winds were a potential resource two hundred years ago. True
iii. Coal, petroleum and natural gas are some examples renewable resources. False
iv. All resources have same value. False
v. All natural sources of energy are renewable. False
vi. Value means worth. True
Ans. Non-renewable resources are those which have a limited stock.
Ans. Patent means the exclusive right over any idea or invention.
Ans. Stock of resource is the amount of resources available for use.
Ans. If a substance can be used in any way, it is said to have a utility.
Ans. Based on the origin, resources can be classified as abiotic or biotic.
Ans. Utility or usability is what makes an object or substance a resource.
Ans. Air is a ubiquitous resource because air we breathe is found everywhere.
Ans. Renewable resources are those which get renewed or replenished quickly.
Ans. On the basis of their distribution resources can be ubiquitous or localised.
Ans. Resources are generally classified into natural, human made and human.
Ans. Using resources carefully and giving them time to get renewed is called resource conservation.
Ans. Technology is the application of latest knowledge and skill in doing or making things.
Ans. The air we breathe, the water in our rivers and lakes, the soils, minerals are all natural resources.
Ans. Resources that are drawn from nature and used without much modification are called natural resources.
Ans. Balancing the need to use resources and also conserve them for the future is called sustainable development.
Ans. Human Resource refers to the number (quantity) and abilities (mental and physical) of the people.
Ans. Natural resources are classified into different groups depending upon their level of development and use; origin; stock and distribution.
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