Class 8 Geography Chapter 1 Question Answers - Resources and Development

• Utility or usability
• Economic value or any other value
• Time and technology inherent, which can make the substance important for present or future requirements  of the people. For example, Discovery of fire led to the practice of cooking, Invention of wheel ultimately resulted in the development of newer modes of transport etc.

Q2: Describe the different types of Natural resources.

Ans: Natural resources are categorised in two types – 

• Renewable Resources- Resources which do not depend on human consumption are called renewable resources. These resources get renewed with the use of humans. But there are some kinds of renewable resources that are affected by human consumption such as water, soil and forest.
• Non-renewable Resources- Resources whose stock are limited are called as non-renewable resources. These resources decrease with human consumption. These resources take thousands of years to renew. Examples of such kinds of resources are coal and Petroleum.

• The usage of renewable resources is sustainable,
• The diversity of life on earth is maintained,
• The damage caused to nature by our activities is as low as possible.

• Natural resources are those that are taken from nature. They are used without modifying them, i.e. in the same form as they exist in. Examples include rivers, lakes, air, soils, minerals, trees, mountains, etc. are natural resources.
• Human-made resources have not been provided to us by nature. Human beings have used their intelligence to manufacture them for their own use. Examples include vehicles, buildings, roads, telephone, etc.
• Human resources include people who serve us in any way. Example include a teacher, doctor, etc.