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Detail Form
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1.
Which statement represents the harmful effect of depletion of earth's ozone layer?
2.
Which of the following statement is not correct?
3.
Euro II norms were stipulated to control sulphur content at 350 ppm in ...A... and 150 ppm in ...B.... and aromatic hydrocarbons are to be contained at ...C...
Complete the given statement by choosing appropriate option for A-C
Complete the given statement by choosing appropriate option for A-C
4.
World environment day is celebrated on
5.
A lake with nutrients is called