Question

which information did the glomar challenger study in 1968?
○ the rate of seafloor spreading
○ the direction of seafloor spreading
○ the age of rocks in various places in the ocean
○ the contents of rocks in various places in the ocean

Explanation:

In 1968, the Glomar Challenger conducted core drilling of ocean floor rocks, which allowed researchers to determine the age of rocks at different ocean locations, providing key evidence for seafloor spreading theory.

Answer:

the age of rocks in various places in the ocean