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)
• Ocean currents
• Plate tectonics
• Coastal erosion
• Glacial melting

Plate tectonics