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Questions and Answers
What is the driving force behind the movement of tectonic plates?
What is the driving force behind the movement of tectonic plates?
- Magnetic force from the Earth's core
- Pressure from the asthenosphere
- Convection currents (correct)
- Gravitational pull from the moon
When rock gains thermal energy, how does the movement of the molecules change?
When rock gains thermal energy, how does the movement of the molecules change?
- Slows down and comes closer together
- Becomes less dense
- Speeds up and spreads out (correct)
- Becomes denser
In which layer of the Earth are the tectonic plates located?
In which layer of the Earth are the tectonic plates located?
- Inner core
- Outer core
- Mantle
- Crust (correct)
When the density of rock increases, what does it tend to do?
When the density of rock increases, what does it tend to do?
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What does the theory of plate tectonics state?
What does the theory of plate tectonics state?
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