Pls answer in details ASAP

1. Biomass is organic material that comes from plants and animals, and it is a renewable source of energy. a. What do you understand the term of 'biomass cycle'? b. Please provide FOUR (4) challenges to convert the biomass into the energy form? Please discuss in detail for each challenges. c. A biomass pretreatment is required before it can be used in any conversion process in order to obtain maximum product recovery. However, there are major problems with regards to biomass pretreatment such as lack of rapid, high throughput and reliable tools for assessing and tracing biopolymer components of biomass relevant to the energy production potential of the biomass. From your opinion, which pretreatment process is an auspicious solution to pretreatment problems and the production of energy from pretreated biomass? Explain your selection