WHICH STATEMENT IS NOT TRUE ABOUT SON DOONG CAVE

29. - File thứ 1: 2nd-mid-term-test-e-9_23052021
File thứ 1: 2nd-mid-term-test-e-9_23052021
29. Which statement is NOT true about Son Doong Cave? A. It was formed by river water eroding away the limestone underneath the mountain. B. The cave was formed about 2 to 5 million years ago. C. Tourists can explore Son Doong Cave daily throughout the year. D. Some of the stalagmites in Son Doong Cave are about 70 meters tall.