ALIKE ALL THE OTHER MAMMALS, DOPHINS HAVE LUNGS. A. B. C. D

39. - KIEM TRA 1TIET BAI SO 1 HOC KY 2 KHOI 12 CB
KIEM TRA 1TIET BAI SO 1 HOC KY 2 KHOI 12 CB
39. Alike all the other mammals, dophins have lungs. A. B. C. D