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At divergent boundaries, where plates toward each other, partially molten mantle rises and fills the gap between them.
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According to the theory of plate tectonics, the lithosphere is broken into a dozen or so rigid plates. These plates can be further classified into large plates and small plates according to their sizes. Which of the following are classified into large plates ?
The "mantle convection" mechanism was proposed by a British geologist, Arthur Holmes in his book "Radioactivity and Earth Movement" in 1929.
About fifty percent of the total volume of a good quality soil consists of pore spaces.
The A horizon of a soil is also called the topsoil.
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