Plate Tectonics
The average temperature of the core of Earth is:
1000°C
2000°C
3000°C
4000°C
4000°C
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The mantle is mainly:A. solid
B. semi-solid
C. molten
D. gaseous
The place where two crustal plates meet is called the:
A. tectonic
B. plate
C. convergent boundary
D. divergent boundary
The average temperature of mantle is:
A. 1200°C
B. 1500°C
C. 2000°C
D. 2400°C
The Continental Plates are:
A. thinner than Oceanic Plates
B. thicker than Oceanic Plates
C. equal in thickness to Oceanic Plates
D. None of these
The divergence is cause because of the:
A. convection current in the crust
B. convection current in the core
C. convection current in the mantle
D. blasts in the core
The plates and the upper part of the mantle combine to form a layer known as:
A. atmosphere
B. troposphere
C. exosphere
D. lithosphere
The process of collision of two plates with different densities is known as:
A. Abduction
B. Subduction
C. Prediction
D. Production
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