Sea-floor spreading/Plate Tectonics Review The transfer of heat by the direct contact of particles of matter is A.Pressure B.Radiation C.Conduction D.Convection The transfer of heat by the direct contact of particles of matter is C. Conduction Subduction of the ocean floor takes place at A.The lower mantle B.Mid-ocean ridges C.Rift valleys D.Trenches Subduction of the ocean floor takes place at D. Trenches The process/force that powers plate tectonics is A.Radiation B.Convection C.Conduction D.Subduction The process that powers plate tectonics is B. Convection What boundary is located at A? A.Divergent B. Convergent C. Transform D.Compression C What boundary is located at A? A. Divergent If the boundary found at A was on land between two continental plates, what feature would form? A.Mid-ocean ridge B. Mountain C. Rift Valley D.Trench C If the boundary found at A was on land between two continental plates, what feature would form? C. Rift Valley C What is the boundary at C? A.Convergent B.Divergent C.Transform D.Compression C What is the boundary at C? A. Convergent This diagram shows what kinds of plates colliding/converging to form a mountain? A.Two oceanic plates B.One oceanic plate and one continental plate C.Two continental plates This diagram shows what kinds of plates colliding/converging to form a mountain? C. Two continental plates What type of fault is this? A.Normal B.Reverse C.Strike-slip D.Tension What type of fault is this? A. Normal What type of STRESS is needed to move the rock along this fault? A.Tension B. Compression C. Shearing D.Subduction What type of STRESS is needed to move the rock along this fault? B. Compression