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Introduced in 1995, Black gold, Better t...

Introduced in 1995, Black gold, Better to prevent waste generation, Bio plastics

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### Step-by-Step Solution: 1. **Understanding the Term "Black Gold":** - The term "Black Gold" refers to crude oil. It is called "black" due to its dark color when extracted from the ground. The term "gold" signifies its high value and importance in the economy. 2. **Historical Context:** - The term "Black Gold" was popularized in the mid-20th century, particularly around 1955, when the significance of oil in industrial and economic development became widely recognized. ...
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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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