Which of the following is true of the Glomar Challenger?

A. It is a type of submarine.                                        

B. It is an ongoing project.

Thông tin: … the first detailed global investigation of the ocean bottom did not actually start until 1968, with the beginning of the National Science Foundation’s Deep Sea Drilling Project (DSDP)....the DSDP’s drill ship, the Glomar Challenger, …

Chọn D