Some reliable indicators of air pollutants (SO2 and noxious gases) are:? Pollution Mcqs December 16, 2019 BILAL KHATTAK0 A.Ferns and Cycas B.Green algae and aquatic liverworts C.Lichens and mossesD.Neem’ tree and EichhorniaundefinedRelated Mcqs:Which of the following is not a primary coloniser?If the top soil has been eroded, we retire a land and grow over it:True nucleus is not present in:Of the following which one is not the characteristic of green algae??The earliest settlers on barren lands generally are:The first plants to reappear in a badly burnt forest area will most probably be:?Nitrogen fixation is done by:BOD of polluted water is increased by?Which one of the following statement is correct?The biological weathering commonly brought about by:?
