<span>One significant difference between oceanic and continental crust in terms of the long term evolution of the earth's surface is that in rhwew onwq</span>
Answer:1 will be the answer
Explanation:
(1) convection occurs in substances that flow.it can be initiated by uneven heating. (2) in the mantle convection of hot rock creates plumes which move tectonic plates. in the outer core convection causes magnetism. (1) is your first question and (2) is your second. hope this helps! :)
