Question

which of the following evidence was used by wegener to support his hypothesis that the continents had once been joined? rock types and ages, plate tectonics, slab pull and ridge push, fossils of ocean plants

Explanation:

Wegener used rock - type and age similarities across separated continents as evidence for his continental drift hypothesis. Plate tectonics is a later - developed theory, slab pull and ridge push are mechanisms in plate tectonics, and fossils of land plants (not ocean plants) were used as evidence for continental connection.

Answer:

Rock types and ages