1. The crust or the upper layer of the earth is
made of
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The crust is composed of two basic rock types granite and basalt. The continental crust is composed mostly of granite. The oceanic crustconsists of a volcanic lava rock called basalt. Basaltic rocks of the ocean plates are much denser and heavier than the granitic rock of the continental plates.
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The crust is composed of two basic rock types granite and basalt. The continental crust is composed mostly of granite. The oceanic crust consists of a volcanic lava rock called basalt. Basaltic rocks of the ocean plates are much denser and heavier than the granitic rock of the continental plates.
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the upper most layer of the earth surface is called the crust. the continental crust is composed of a layer called a sail. which is made up of silica and aluminium.
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