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soonienee
2 năm trước
Câu 1 :Lớp chim có những đặc điểm chung nào? Kể tên 4 đại diện của lớp chim Câu 2 :Hãy nêu 3 VD cụ thể chứng minh 3 lợi ích của lưỡng cư . Muốn bảo vệ những loài lưỡng cư có ích ta cần làm gì ? Câu 3 :Vì sao cá voi được xếp vào lớp thú mà cá xấu lạc xếp vào lớp bò xát Mọi người giải hộ tôi câu . Vì tôi đang câng gấp
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