Answer: False
Explanation: The plate tectonics move due to convection currents of the mantle; the cooler upper mantle descends while the hotter lower mantles ascend. The heat that drives these convection currents emanated from the core of the earth (not the sun).
Answer:I think it could be A or B but I would choose A.
Explanation:
Answer: (B)
Explanation: Decreases the number of bases in the sequence.