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a) Due to its great commercial importanc...

a) Due to its great commercial importance, petroleum is also called______. b)______ is the design of chemical products and processes to reduce or eliminate the use and generation of hazardous substances.

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a) Black Gold
b) Green chemistry
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BETOPPERS-OUR ENVIRONMENT-COMPETITIVE WORKSHEET
  1. a) All non-domesticated and non- cultivated biota found in natural hab...

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  2. a) The India's first national park is. b) Gir National Park is locate...

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  3. a) The examples of water living plants are. b) The two examples of ph...

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  4. a) is an ecological community together with its environment and funct...

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  5. Gross CO(2) emission from coal is more than that from and about double...

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  6. a) the methods adopted for disposal of harmful waste material are , a...

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  7. a) In an ecosystem, the energy flow is always.b) Minerals required in ...

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  8. a) Due to its great commercial importance, petroleum is also called. b...

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  9. Coke, Coal tar, Coal gas, Acrylic

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  10. Sulphurdioxide, Oxygen, Carbon-monoxide, lead

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  11. Wood, Plastic, leather, paper

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  12. Land Fills, Constructing dams, Deep well injection, Incineration.

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  13. Tube wells, Rivers, Lakes, Streams

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  14. Seeding clouds, Decp well injection, Desalination, Rain water harvesti...

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  15. Light, hydrilla, Sun, Water

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  16. Pick the odd one out with respect to primary producers. Hydrilla, Va...

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  17. No Killing, No Polluting fand, No planting of trees, No polluting wate...

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  18. Fossil fuel, Compost, Formed from organisms living unde sea, Gross CO(...

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  19. Introduced in 1995, Black gold, Better to prevent waste generation, Bi...

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  20. Rivers, Lakes, Streams, Aquifers.

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