Answer:
GOOD IN TERMS OF ENERGY BUT BAD IN THE ATMOSPHERE
Explanation:
BIOFUEL IS AN UNRENEWABLE RESOURCE WHICH IS USEFUL TO US HUMANS INTERMS OF FUEL FOR ENERGY FOR COMBUSTION TO HAPPEN WITHIN THE ENGINES OF MACHINES TO PRODUCE THE ENERGY NEEDED TO DO WORK.HOWEVER IT IS ALSO POLLUTING OUR ENVIRONMENT IN THE PROCESS. SUCH PROBLEMS LIKE GLOBAL WARMING THAT LEADS TO MAJOR PROBLEMS THAT AFFECT HUMAN LIFE .