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How does the flow of acid rain into a ri...

How does the flow of acid rain into a river make the survival of aquatic life in a river difficult ?

A

Excessive nutrient input

B

Acidification, organic pollutants

C

Heavy metal contamination

D

All the above

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VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-EXERCISE
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  2. The bio accumulation of heavy metals into human being through food cau...

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  3. Match the following {:("List-I","LIst-II"),((A)NO(3)^(-)" ion in d...

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  4. What is the name of the aquatic weed that grown in lake kolleru in a g...

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  5. Observe the following table showing different activities in the lake a...

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  6. What measure would you take to prevent water-borne diseases?

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  7. Coniferous forest belongs to

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  8. How does the flow of acid rain into a river make the survival of aquat...

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  9. Man : Lungs , Frog :

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  10. Which of the following acts as a primary as well a secondary consumer ...

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  11. Example for non-biodegradable pesticide

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  12. Which of the followin is a secondary consumer in a grassland ecosystem...

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  13. Grassrarr Deer rarr TigerrarrThe rarr mark in the above food chain alw...

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  14. Ecosystem: Tansley:: Ecological Pyramid?

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  15. How the energy flows from producers to consumers in a food chain?

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  16. Ask your teacher about nuclear energy and its impacts on ecosystem.

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  17. What percent of energy loss can be observed at each tropic level?

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  18. How do you say that the flow of energy in the ecosystem is undirection...

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  19. If the energy available at tertiary consumer level is 20J in a food ch...

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  20. If the energy available at tertiary consumer level is 20J in a food ch...

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