Environmental Science Trichodermaharzianum has proved a useful microorganism for reclamation of wastelands biological control of soil-borne plant pathogens gene transfer in higher plants bioremediation of contaminated soils reclamation of wastelands biological control of soil-borne plant pathogens gene transfer in higher plants bioremediation of contaminated soils ANSWER DOWNLOAD EXAMIANS APP
Environmental Science CFCs are used as refrigerants All listed here insulators aerosol propellants refrigerants All listed here insulators aerosol propellants ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The source of atmospheric oxygen is Nitrogen cycle Water Green Plants Carbon Cycle Nitrogen cycle Water Green Plants Carbon Cycle ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Soap and detergents are the source of organic pollutants like: All of these Sulphonated hydrocarbons Polyphosphates Glycerol All of these Sulphonated hydrocarbons Polyphosphates Glycerol ANSWER DOWNLOAD EXAMIANS APP
Environmental Science The pyramid of biomass is inverted in forest ecosystem tundra grassland ecosystem fresh water ecosystem forest ecosystem tundra grassland ecosystem fresh water ecosystem ANSWER DOWNLOAD EXAMIANS APP
Environmental Science Which of the following enhances soil fertility? Irrigation Using new seed varieties Crop rotation Improved methods of agriculture Irrigation Using new seed varieties Crop rotation Improved methods of agriculture ANSWER DOWNLOAD EXAMIANS APP
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