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complete both activities

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Effects of deforestation on the rock cycle

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Effects of deforestation on the rock cycle

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Effect of deforestation on the rock cycle

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How coastal management affects the rock cycle

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As described in some of the previous topics, igneous rocks are produced by the crystallization and solidification of molten magma. Magma forms when rock is heated to high temperatures (between 625 and 1200° Celsius) beneath the Earth's surface. The exact temperature needed to melt rock is controlled by several factors.

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10(g) Characteristics of Metamorphic Rocks

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Much of the Earth's continental crust is composed of metamorphic and rocks. Together, these two rock types form the base material at the core of the Earth's major continental masses. Overlying this core are often thick layers ofsedimentary rocks . In some regions, this base rock is exposed to the atmosphere and is known as .

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10(f) Characteristics of Sedimentary Rocks

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Sedimentary rocks can be categorized into three groups based on sediment type. Most sedimentary rocks are formed by thelithification of rock debris that has been physically transported and deposited. During the transport process, the particles that make up these rocks often become rounded due to abrasion or can become highly sorted.