In 1911, Alfred Wegener read a paper discussing how identical fossils had been found on continents separated by great distances. How did this evidence contribute to the modern theory of how the continents resulted in their current shapes?
answer choices
by showing that the cooling of Earth helped produce continents
by suggesting that forces have caused continents to separate over time
by showing that biological evolution is similar on separate continents
by suggesting that liquid rock in the mantle solidifies in the continental crust