10. Wegener believed continents moved, but he did not know how. Identify what needed to happen before Wegener's idea about moving continents could be proven.
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Wegener had to recheck his data and change his conclusions.
New information was needed on the composition of Earth's crust.
Scientists had to directly observe tectonic plate movement.
Advances in technology were needed to gather more evidence.
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Advances in technology were needed to gather more evidence.
1 answer