Which of these provides the best evidence that the distribution of earth’s oceans has changed over time? a. hot spots on ocean floors b. seismic activity along plate boundaries c. sediment buildup on continental slope d. marine fossils found on land masses

the answer would be c. sediment buildup on continental slope

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the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

answer; primary source information;