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CBSE Class 12-science Answered

what is green house gas?
Asked by abbabithapm | 13 Feb, 2020, 04:56: PM
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Answered by Sheetal Kolte | 15 Feb, 2020, 08:40: PM

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CBSE 12-science - Biology
What percentage of Delhi residents suffer from asthma and rhinitis?  (1) 13% (2) 10% (3) 119 (4) 12%
Asked by shivamshivam0299 | 22 May, 2020, 07:52: AM
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CBSE 12-science - Biology
OZONE GETS DECOMPOSED IN PRESENCE OF UV RAYS OF SHORTER WAVELENGTH ? STATE WHETHER THE STATEMENT IS TRUE/FALSE.
Asked by mahajanekansh25 | 20 Apr, 2020, 11:06: PM
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CBSE 12-science - Biology
what is green house gas?
Asked by abbabithapm | 13 Feb, 2020, 04:56: PM
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CBSE 12-science - Biology
Why our total carbon emissions are sometimes referred to as “carbon footprint”? Why is it important to reduce carbon emission and what are some ways by which we can reduce our carbon footprint?
Asked by Nimmi | 22 Sep, 2018, 01:05: AM
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CBSE 12-science - Biology
Why are lichens regarded as pollution indicators?
Asked by Topperlearning User | 16 Jun, 2014, 01:22: PM
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CBSE 12-science - Biology
Why is it desirable to use unleaded petrol in vehicles fitted with catalytic converters?
Asked by Topperlearning User | 16 Jun, 2014, 01:22: PM
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CBSE 12-science - Biology
Write the differences between BOD and COD.
Asked by Topperlearning User | 19 Sep, 2016, 06:15: AM
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CBSE 12-science - Biology
How can pollution by auto exhaust be minimised?
Asked by Topperlearning User | 16 Jun, 2014, 01:22: PM
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CBSE 12-science - Biology
How do automobiles fitted with catalytic converters reduce air pollution? Suggest the best fuel for such vehicles.
Asked by Topperlearning User | 16 Jun, 2014, 01:22: PM
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CBSE 12-science - Biology
Thermal power plants are inevitable in an industrial and densely populated country. What harm do they do to the environment? Also, mention any precaution which could be taken to save our environment.
Asked by Topperlearning User | 16 Jun, 2014, 01:22: PM
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