Scientists recently discovered that rocks collected from the Franklin Mountains in West Texas and rocks collected from mountains in eastern Antarctica were exactly the same age. Further research showed that the rocks were chemically and geologically the same and came from the same magma source. This discovery provides evidence that supports one of the below topics. Pick the topic this type of evidence supports.

(1 point)
Responses

Coastal erosion
Coastal erosion

Glacial melting
Glacial melting

Plate tectonics
Plate tectonics

Ocean currents
Ocean currents