Answer:
The correct answer is as follows.
Step-by-step explanation:
The theory of seafloor spreading states that seafloor lithosphere is not stationary, on the contrary, it is constantly renewing at mid-ocean ridges. The research from the Glomar Challenger, that use a scientific drilling vessel, helped to support this theory by taking rock samples from the Mid-ocean ridge. After analyzing the rock samples it was revealed that the farther from the mid-ocean ridge, the older the rock was.