Plate Tectonics
Compared to Oceanic Plates, the Continental Plates are:
more dense and heavy
less dense but heavy
more dense but light
less dense and light
less dense and light
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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. 1200ยฐC
B. 1500ยฐC
C. 2000ยฐC
D. 2400ยฐC
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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