3. The most appropriate definition of a natural resource is that it is a substance/commodity that is
3. The most appropriate definition of a natural resource is that it is a substance/commodity that is

(a) present only on land

(b) a gift of nature which is very useful to mankind

(c) a man-made substance placed in nature

(d) available only in the forest

Correct option – (  b )

Explanation – natural resources are present everywhere and is considered as a gift of nature to mankind which is very useful for us . They are not man made .