Science and Health TodayArchived 2014-07-08 at the वेबैक मशीन, pp. 247, Rex Bookstore, Inc., ISBN 9789712318962, ... The earth is composed of three layers: the crust, the mantle, and the core. Look at the illustration. The crust is the thinnest and the outermost layer. The mantle is the thickest and the middle layer. The core is the innermost layer ...
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Science and Health TodayArchived 2014-07-08 at the वेबैक मशीन, pp. 247, Rex Bookstore, Inc., ISBN 9789712318962, ... The earth is composed of three layers: the crust, the mantle, and the core. Look at the illustration. The crust is the thinnest and the outermost layer. The mantle is the thickest and the middle layer. The core is the innermost layer ...
