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Biology, 15.04.2021 02:30 elyzarobertson

3. Which of the following is least necessary for plate tectonics? 1. A solid core inside the planet.
2. A semi-solid mantle.
3. Convection currents in the mantle.
4. A crust divided into plates

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3. Which of the following is least necessary for plate tectonics? 1. A solid core inside the planet...

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