Why did Alexander du Toit feel it was necessary to propose a northern landmass he named Laurasia?
A)Pangaea did not account for all known landmasses.
B)The landmass helped resolve climatological inconsistencies.
C)Paleomagnetic studies of the seafloor proved its existence.
D)A large mass of Gondwana had broken off and drifted northward.
E)Recent ocean voyages discovered remnants of its existence.

Question

Quizplus · Accepted Answer

Alexander du Toit proposed the existence of Laurasia to explain climatological inconsistencies encountered in earlier hypotheses about the distribution of continents. He believed that the northern hemisphere needed a larger landmass to explain the distribution of fossils from certain geological periods. This led him to propose the existence of Laurasia, a northern landmass made up of North America, Europe, and Asia.

Why Did Alexander Du Toit Feel It Was Necessary to Propose