Part B: Cloze Fish farming is the fastest-growing ＿＿（27）＿＿ of food production in the world. Seafood ＿＿（28）＿＿ for around 17% of the world’s protein ＿＿（29）＿＿(in some parts of Asia and Africa, the number is nearer 50%). The Organization for Economic Cooperation and Development, a rich-country ＿＿（30）＿＿, reckons that, thanks to population growth and rising incomes, global consumption of fish will reach 180 million tons by the end of the decade,＿＿（31）＿＿ from 158 million tons in 2020.