Which of the following describes how Marie Tharp and Bruce Heezen found evidence that led to the theory of plate tectonics?

Question

(1 point)
• They observed that the continents seem to fit together like a puzzle.
• They observed two tectonic plates moving away from each other.
• They mapped the structures on the ocean floor using a video recording to collect data.
• They mapped the structures on the ocean floor using sonar rays to collect data.

Answer 1

They mapped the structures on the ocean floor using sonar rays to collect data.