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ALLEN-ENVIRONMENTAL ISSUE-Question
- State a reason for the increased population of dark coloured moths coi...
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- List two advantages of the use of unleaded petrol in automobiles as fu...
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- (a) Write down the name of world most problematic aquatic weed palnt. ...
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- How can waterlogging affect the growth of crop ?
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- What is eutrophication?
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- What is an algal bloom?
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- A large quantity of urban sewage is drained to a nearby river. Which a...
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- What is Euro II ? What is It's purpose.
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- How can we reduce global warming ?
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- (i) What is zero -waste procedure in Agriculture Practice ? (ii) In ...
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- (a) What are the after effects of the degradation of ozone ? (b) Ho...
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- What is chance mutation ? Explain this phenomenon using application o...
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- (a) Expand CFC. (b) How does it reduce ozone to oxygen ?
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- Explain the different steps involved during primary treatment phase of...
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- During secondary treatment of the primary effluent how does the signif...
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- Distinguish between the roles of flocks and anaerobic sludge diges...
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- Name any two sources of e-Wastes and write two different ways for thei...
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- (i ) State the consequence if the electrostatic precipitator of a ther...
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- (a) Why are the colourful polysterene and plastic packaging used for p...
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- Study the graph given below and answer the questions that follow : ...
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