3
QuizMultiple Choice

Characteristics of the Seafloor

Question 3 • GCS 2025-2026 Earth Environmental Science CR

When scientists analyzed drilling samples from the Glomar Challenger study, which discovery did they make about rocks in relation to a mid-ocean ridge?

Answer
A
Rocks closer to the ridge are newer.
B
Rocks closer to the ridge contain more iron.
C
Rocks farther from the ridge are denser.
D
Rocks farther from the ridge are more jagged.
When scientists analyzed drilling samples from…