| Which of the following facts are not considered with respect to sea floor spreading? |
| 1. Volcanic activity along the mid-oceanic ridges. |
| 2. Stripes of normal and reverse magnetic field observed in rocks of ocean floor. |
| 3. Distribution of fossils in different continents. |
| 4. Age of rocks from the ocean floor. |
| Select the correct answer using the codes given below. |
A) 1, 2 and 4
B) 2 and 4
C) Only 3
D) All of these
Correct Answer: C
Solution :
[c] Statement 1, 2 and 4 are correct with respect to the concept of sea floor spreading. Detailed analysis of magnetic properties of the rocks on either sides of the mid-oceanic ridge. The oceanic crust rocks are much younger than continental rocks. Statements is not considered with respect to sea floor spreading.
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