Forestry

Trnsboundary pollution describes polluted air and water or any other contaminated waste that is generated in ove country and transmitted to other

The most pervasive pollutant is sulphur dioxide a by-product of the burning of fossil fuels in power stations

Both (a) & (b)

None of these

Mosses

Liver worts

Lichens

Ferms

Edaphic factors

Biotic factors

Topographic factors

All of these

Simmons and H.M.Rana

Champion, Seth and Kattak

Ahmad Hussain

None of these

Geneva

Islamabad

Sydney

Rio-de-Janeiro

China and Magnolia

China and Pakistan

China and India

None of these

Paris

London

Tokyo

New York

Nymphaea, Poamogeton, Victoria

Utricularia, Typha, Aponogeton

Lemna, Spirodela, Azolla

Ranunculus, Vallisneria, Hydrilla

Wet habitats

Warm habitats

Dry habitats

Cool habitats

40%

50%

60%

70%