I T H A S B EE N E S TIM A T E D...

85. - De thi trac nghiem TOEIC tong hop
De thi trac nghiem TOEIC tong hop
85. I t h a s b ee n e s tim a t e d that only 21 percent of t he wo r l d's l a nd su rfa c e ar e c u lti v a t a b l e and that onlyA B C Dpercent is actually und e r c u lti v a ti on.