Use Vocabulary 1 The process in which hot mantle rises and
cold mantle sinks is called

2.What is the plate tectonics theory?
I need the answer to both

1. The process in which the hot mantle rises and the cold mantle sinks is called. subduction

2. The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle

Explanation: i hope this helps

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explanation:

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