how is the continental drift theory is related to sial
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The continental drift theory states that earth's crust is divided into several tectonic plates which float around. But a question arises that why don't the crust sink, after all it's too heavy. It is seen that the crust is mainly composed of silicates and aluminates (SIAL), and lies below is the denser layer of silicates and magnesium compounds (SIMA). Since, the SIAL is lighter than SIMA, the tectonic plates float without sinking. And that's why I am safely able to type this answer
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According to the continental drift theory, the original landmass of sial (which alferd wegener named pangea), became fractured. Parts of a gifted away to form the separate continental land Masse's.
Explanation:
कॉन्टिनेंटल ड्रिफ्ट थ्योरी डिज्नीलैंड माइजेसीआई विच अवॉर्ड विनर नेम पेंसिया विक्रम फ्लकचुएट 15 ऑफ ड्रिफ्ट अवे टो फोन रिसेट कॉन्टिनेंटल मार्श लैंड ममार्
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