- WHAT DOES THE COMPOUND COST-COMPETITIVE IN LINES 4, 5 MEAN

28. - BAI KIEM TRA SO 5TA 11 NC
BAI KIEM TRA SO 5TA 11 NC
28. - What does the compound cost-competitive in lines 4, 5 mean?- It means the production of wind power is …...A. expensive B. cheap C. economical D. costly