What evidence supported continental drift before plate tectonics

Continents matched before anyone knew how they moved

Matching rocks, fossils, and signs of ancient environments were found on continents now separated by oceans. These clues supported the idea that the continents had once been joined, decades before scientists could explain how continents move.

The Sun's core makes little power per cubic metre

276.5 watts per cubic metre

The Sun produces an enormous amount of energy overall, but the core's maximum is only about 276.5 watts per cubic metre, roughly comparable to the power density inside a compost pile. Fusion happens across such a vast region.

Italian staples came from the Americas

Potatoes, tomatoes, and maize came from the New World. Though now strongly linked with Italian cooking, they became main ingredients in Italy only from the 18th century.

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What evidence supported continental drift before plate tectonics

Continents matched before anyone knew how they moved

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