Q1. Answer the following questions.
(i) Why are resources distributed unequally over the Earth?
Ans: The distribution of resources depends upon a number of physical factors like terrain, climate and altitude. Since these factors differ so much over the Earth, the distribution of resources is unequal.
(ii) What is resource conservation?
Ans: Saving the resources for future generations is called conservation. It is the protection and ethical use of valuable resources such as minerals, water, trees, wildlife and others. Resource conservation basically focuses on maintaining the natural world in order to protect the sources of resources.
(iii) Why are human resources important?
Ans: People are human resources and human resources are important because people can make the best uses of nature to create more resources by applying knowledge, skill and technology.
(iv) What is sustainable development?
Ans: Balancing the need to use resources and also conserve them for the future is called sustainable development. In other words, carefully utilizing resources so that besides meeting the present requirements it also takes care of the needs of future generations is what is known as sustainable development.
Q2. Tick the correct answer.
(i) Which one of the following does not make a substance a resource?
(ii) Which one of the following is a human-made resource?
(a) Medicines to treat cancer
(b) Spring water
(c) Tropical forests
(iii) Complete the statement.
Non-renewable resources are
(a) those which have limited stock
(b) made by human beings
(c) derived from non-living things