In 1912, Alfred Wegener hypothesized that all the continents were once joined together in one giant landmass. This is known as the hypothesis of continental drift. Which of the following contained clues that led Wegener to his hypothesis? Group of answer choices

a. land features, fossils, and climate

b. mid-ocean ridges, fossils, and climate

c. land features, fossils, and sea-floor spreading

d. mid-ocean ridges, fossils, and weather

c. Land features, fossils and sea floor spreading.

Explanation: First, climate and weather were not associated with Wege er’s reasoning.

Land features: an important clue for Wegener was in the current shapes of South America and Africa. Looking at them on a map, one can see their adjacent coastlines are almost a perfect fit.

Fossils: He noted that, for example, the same fossils appeared in Scotland and the east coast of North America

Sea-floor spreading: the discovery of seafloor spreading under the Atlantic Ocean gave Wegener a clue as to how continents could move apart.

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explanation: