Question

I just need an advantage of disadvantage of Geothermal energy. I just need an advantage of Biomass and disadvantages of Biomass

Answer 1

Biomass
advantages

biomass used as a fuel reduces need for fossil fuels
The use of waste materials reduce landfill disposal and makes more space for everything else. 
disadvantages

Research is needed to reduce the costs of production of Biomass based fuels. Additional work is needed in areas such as harvesting methods.