Why is use of wood as fuel not advised although forest can be replenished. SEE 2074.
Why should the government of Nepal encourage to use the bio gas to its citizen.
Bio gas is considered as very useful for farmers why ?
Write any two disadvantages of biomass energy. or Name the disadvantages of using biomass.
What are the advantages of bio gas over wood. Explain it.
What are constituent of the bio gas? or name the constituents of bio gas.