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What scientist who first proposed the theory that the continents drifted?

Alfred Wegener was the scientist who first proposed the theory of continental drift, which later developed into the theory of plate tectonics. He suggested that the continents were once joined together in a single supercontinent called Pangaea and have since drifted apart.


Which scientist discovered that the continents were once one land mass?

Alfred Wegener, a German meteorologist and geophysicist, proposed the theory of continental drift in 1912. He suggested that the continents were once interconnected in a supercontinent he called Pangaea. This idea laid the foundation for the modern theory of plate tectonics.


How do scientist know that all of the continents were once joined together?

Scientists use evidence such as matching geological formations, fossils, and remnants of ancient climates found on separate continents to support the theory of plate tectonics. By analyzing these pieces of evidence, scientists can infer that the continents were once part of a single supercontinent called Pangaea.


What items did he use to theorize Pangaea?

Alfred Wegener used evidence from fossils, rock formations, and the fit of the continents to theorize Pangaea. He observed similarities in plant and animal fossils found across continents, matching mountain ranges, and how the coastlines of continents seemed to fit together like a jigsaw puzzle.


Which scientist first proposed the continents were once joined in a single landmass called Pangaea?

Alfred Wegener, a German meteorologist and geophysicist, first proposed the theory of Pangaea in 1912. Wegener suggested that the continents were once connected in a supercontinent that later drifted apart to form the continents we see today.