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Questions and Answers
What are the three main layers of the Earth?
What are the three main layers of the Earth?
- The troposphere, the stratosphere, and the mesosphere
- The crust, the atmosphere, and the lithosphere
- The outer core, the mantle, and the hydrosphere
- The mantle, the crust, and the core (correct)
What is the outer layer of the Earth called?
What is the outer layer of the Earth called?
- The lithosphere
- The crust (correct)
- The mantle
- The core
What are convection currents and their role in heat transfer?
What are convection currents and their role in heat transfer?
- The flow of electricity within a fluid, causing magma to rise and sink
- The process of erosion caused by wind and water
- The flow of heat within a fluid, causing magma to rise and sink (correct)
- The movement of tectonic plates due to heat transfer
