6. Match the items given the Columns A Correctly with those given in
Column B.

Column A                                                  Column B
(i) Resources                                  (a) A renewable source of energy
(ii) Windmill                                    (b) Human-made resource
(iii) Plants and trees                     (c) Abiotic resources
(iv) A vehicle                                  (d) Utility
(v) Rocks and minerals               (e) Biotic resources

7.
a. Air is a ubiquitous resource since it is found...........
b. Physical factors affecting the presence of a localised resource
are........, ........... and.............
c. Using resources carefully and giving them time to get renewed is
called...........
d. An actual resource today might have been a............resource
some time ago.

8. State true or false:
i. Water is not precious. We should not bother about its wasteful
use.
ii. All sources and substances have equal economic value.
iii. We should minimise the depletion of natural resources.
iv. People are human-made resources.

Dear Student,
6. The answers for match the following are given below - 
i) Resource d) Utility
ii) Windmill a) A renewable source of energy
iii) Plants and Trees e) Biotic Resources
iv) A Vehicle b) Human-made Resource
v) Rocks and Minerals c) Abiotic Resources

i- The utility of an object makes it a resource.
ii- Wind is a renewable source of energy and can be replenished. The energy of wind is harnessed through a windmill.
iii- A natural resource that is obtained from the biosphere like plants and trees are biotic resources.
iv- Anything made due to human effort and that does not exist naturally is called a human-made resource. A vehicle is one of the examples of such a resource.
v- Resources that are obtained from non-living things are called abiotic resources, for example, rocks and minerals. 

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