D.
Answer in one sentence :
1. Name four metals that can be recycled.
2. Name two natural resources which can be generated by man?
3. Give four uses of petroleum and natural gas.
4. Name two renewable resources present in huge quantities.
5. Give three examples of man-made resources.
6. Where do we obtain a resource ?
Answers
Ans1) Four metals that can be recycled are:
i) aluminium
ii) bronze
iii) brass
iv) copper
Ans2) Wood and iron are the two natural resources which can be generated by man.
Ans3)a) uses of petroleum:
i)Agriculture
ii) detergent, dyes, and others
iii) plastic
iv)Pharmaceuticals
(b) uses of natural gas.
i)The electric power sector uses natural gas to generate electricity. ...
ii)The industrial sector uses natural gas as a fuel for process heating,
iii)air conditioners!
iv)vehicles
Ans4) solar and wind energy
Ans5)Examples of man-made resources include plastic, paper, soda, sheet metal, rubber and brass
Ans 6)Resources is something which used for production. We obtain resources from nature, natural resources are mountains, rivers, natural plants like tea, coffee etc.