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Wegener first noticed that it looked like South America coastline could "fit" into Africa's. After that he analysed both their continental shelve's and this showed an even closer fit. The thrid observation that brought about his theory of continental drift was that he found fossils of the same animals (can't remember any names off the top of my head sorry) in both Argentina and east Somalia, Africa.

The animal is the Mesosaurus, a fossil known to live 270 million years ago. This animal was very unlikely to swim across the ocean, so the continents had to conjoined one time in the past. Hope this helps :)

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Q: What observation led albert wegener to develop the hypothesis of a centental drift?
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What observations led to Alfred wegener to develop the hypothesis of continental drift?

The observation that led Alfred Wegener to develop the hypothesis of continental drift was that the continents looked like a puzzle that could fit together and then found out that fossils of similar kind and whats left of similar plants were found on opposite sides of the world.


What observation led Alfred wegener to develop the hypothosis of a central drift?

Nothing.


Why was Wegener's hypothesis reject?

Alfred Wegener couldn't describe how the plate tectonics moved. So, scientists rejected his hypothesis.


Why was Alfred Wegener's hypothesis of continental drift not taken seriously by most geologists?

Alfred Wegener's hypothesis of continental drift not taken seriously


Why was the hypothesis of continental drift rejected when it was proposed by wegener?

Wegener couldn't explain how or why continents moved.


What is Alfred Wegener known for?

His hypothesis of continental drift


Which type of evidence was not used by Alfred wegener to support his continental hypothesis?

Which type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis human remains


Which type of evidence was not used by Alfred wegener to support his continental drift hypothesis?

Which type of evidence was NOT used by Alfred Wegener to support his continental drift hypothesis human remains


Who is credited with developing the continental drift hypothesis?

Alfred wegener


The man who pioneered the continental drift hypothesis was?

Alfred Wegener


What scientist had a hypothesis of the giant contenet Pangaea?

Alfred wegener


How did other geologist's feel about Alfred wegener's hypothesis?

i am not sure