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.

Question

(1 point)
Responses

Glacial melting
Glacial melting

Ocean currents
Ocean currents

Plate tectonics
Plate tectonics

Coastal erosion
Coastal erosion

Answer 1

The discovery that rocks from the Franklin Mountains in West Texas and mountains in eastern Antarctica are of the same age, chemically and geologically identical, and derived from the same magma source supports the topic of plate tectonics. This evidence suggests that these areas were once connected before the movement of tectonic plates separated them.