2. State two economically important uses of: (b) archaebacteria
Explanation Archaebacteria: This class of bacteria is responsible for the biogasproduction i.e. methane from the biomass such as dung, feedstock, crop residues- Methanococcus Sulphuric acid production (H2SO4)- Thermoproteus Treatment of sewage water - Methaogens Final Answer Archaebacteria- Biogas, sulphuric acid production and in sewage treatment plants.