TODAY’S SCIENTISTS HAVE OVERCOME MANY OF THE CHALLENGES OF THE DEPTH BY USING MORESOPHISTICATED TOOLS

5/ - SACH BT ANH 10 CO DAP AN
SACH BT ANH 10 CO DAP AN

5/ Today’s scientists have overcome many of the challenges of the depth by using more

sophisticated tools.

A. summons B. dare C. objection D. stimuli