Consider the following statements in relation to Earth’s topmost layer:1. Transverse earthquake waves move at a speed of 3.5 km/s in that layer.2. The specific gravity is 2.7.3. It is shallowest under Continents and deepest under Oceans.4. Abundance of magnesium. Which of the above statements are correct?

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Consider the following statements in relation to Earth’s topmost layer:<br />1. Transverse earthquake waves move at a speed of 3.5 km/s in that layer.<br />2. The specific gravity is 2.7.<br />3. It is shallowest under Continents and deepest under Oceans.<br />4. Abundance of magnesium. Which of the above statements are correct?






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