Identify the correct statements with reference to the theory of sea floor spreading. Choose the correct answer from the options given below:
1.Continental drift theory considered the sea floor as new and ephemeral features of the earth's surface but sea floor spreading proved that they are old and stable.
2.Vine and Matthews tested this theory on the basis of analysis of the age and thickness of sediments.
3.The increasing age and thickness of sediments away from the ridges, on both sides, is an evidence of sea floor spreading.
4.Paleomagnetism is the most scientific evidence in its favour.
A1, 2 and 4
B1, 2 and 3
C3 and 4
D2, 3 and 4
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