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7. Hot plate is the heat source in the set-up. On Earth, where does heat b
A. Continental crust
B. Oceanic crust C. Mantle
B. In which part of the set-up convection current happens?
A Block of woods
B. Hot plate
C. Boili
Blocks of wood represents the Earth's lithosphere. Which of the form
lithosphere?
A. The topmost, solid part of the Earth.
B. Is the middle layer of the Earth that makes most of the
C. Composed of several plates,
D. The moving, irregularly-shaped slabs
1. What makes the blocks of wood float above the boiling water?
A, Block of wood is less dense than boiling water.
B. Block of wood is denser than boiling water.
C. Block of wood and boiling water have the same der
3. Block of wood is solid and boiling water is liquid.


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