Without proper regulations, factory owners let the waste run directly into the rivers, (84) ………………….……… then leads to the sea.Đoạn văn76/97Without proper regulations, factory owners let the waste run directly into the rivers, (84) ………………….……… then leads to the sea.Nhập câu trả lời ở đây0/3000 ký tựXác nhậnGiải thích(84) which