Question

compare and contract Biomass and hydroelectricity as sources of energy the production of cost of hydroelectricity is cheaper than electricity produced in a thermal power station explain why

Answer 1

Because thermal power plant utilize the coal the cost of transportation of this coal is much high as well coal rates also . So, hydroelectricity is most cheaper then TPP

Answer 2

hydroelectricity is cheap where as biomass is more costly than biomass
hydroelectricity is available in abundance where as biomass is producce by fossil fuel so it is limited
initial cost for hydroelectricity is very high where as cost for biomass is comparatively low