पृथ्वी के स्थलमंडल (lithosphere) की कौन सी परत कम घनी, अधिक मोटी और मुख्य रूप से एंडेसिटिक से ग्रेनाइट संरचना वाली होती है?

Which of the following terms is historically used to refer to the innermost layer or the core of the Earth?

The Earth's mantle extends from the base of the crust down to a depth of approximately ______.

Which layer of the Earth's interior is known as the Asthenosphere?