What are non-renewable resources of energy? Give two examples of such resources.
Write answers to the following questions.
(a) What is meant by natural resources?
(b) Which are the two types of natural resources?
(c) What are the uses of soil?
(d) What is ‘nulla bunding’?
(e) What is ‘biotechnology’?
(f) What are the differences between renewable and non-renewable resources?