ACCORDING TO THE PASSAGE, THE PRIMARY SOURCE OF THE PLANT FIBER USED IN PAPER IS _________

Question

Câu13: According to the passage, the primary source of the plant fiber used in paper is _________.A. ragsB. treesC. fabricD. waste paper

Answer

Câu13: According to the passage, the primary source of the plant fiber used in paper is _________.A. ragsB. treesC. fabricD. waste paper