----- Nội dung dịch tự động từ ảnh ----- a survey on how much waste is produced at our school every C. taking D. doing to rise; this is very dangerous for C. level D. rank underlined part in each of the 15. I and my classmates are day. A. researching B. getting 16. The increase of global temperature has caused the sea our human life. A. degree B. side
