What was the initial, simple observation that led Wegnener to believe that all the landmasses were once together.

Earth Globe World Map Digital Image Graphic Planet Artwork - Etsy Israel

a
Glossopteris fossils look different in different countries
b
Discovery of magnetic stripes on the ocean floor proved the poles have reversed.
c
Countries look like they could fit together like a jigsaw puzzle
d
There number of deserts on the Earth are spread out evenly across the different landmasses

1 answer

The initial, simple observation that led Alfred Wegener to believe that all the landmasses were once together was:

c. Countries look like they could fit together like a jigsaw puzzle.

Wegener noticed how the continents appeared to align and fit together, similar to pieces of a jigsaw puzzle, which contributed to his theory of continental drift.