ALL OF THE FOLLOWING ARE TRUE ABOUT THE 1970 SURVEY OF ANTARCTICA EXC...

57: All of the following are true about the 1970 survey of Antarctica EXCEPT that it ______ A. was conducted by air B. made use of radio waves C. could not determine the lake's exact size D. was controlled by a satellite áp án: DCác câu v n đ u đo n 2 có nh c đ n nghiên c u n m 1970 đ c p đ n:‘ aerial survey’ ‘Radio waves’ Nên lo i đáp án A,B‘It was not until much more recently that data collected by satellite made scientists aware of the tremendous size of the lake’D ch ngh a: Mãi đ n g n đây các d li u thu th p b i v tinh nh n t o m i làm cho các nhà khoa h c nh n th c đ c kích th c kh ng l c a h V y ch n D