BY WHAT HAVE TODAY’S SCIENTISTS OVERCOME MANY OF THE CHALLENGES OF...

40. - THI HK2 LOP 10 NANG CAO CO DAP AN
Tiếng Anh THI HK2 LOP 10 NANG CAO CO DAP AN
40. By what have today’s scientists overcome many of the challenges of the depth?A. further study B. the mysteries that lie beneath the oceanC. the earth’s surface D. using modern devices