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Structure and Physiography

The islands

Compare the Bay of Bengal and Arabian Sea islands.

Bay of Bengal: about 572 islands, Andaman and Nicobar, separated by the Ten degree channel.

Raised submarine mountains, some volcanic; Barren island is India's only active volcano.

Peaks: Saddle peak 738 m, Mount Thuiller 642 m; convectional rain, equatorial vegetation.

Arabian Sea: Lakshadweep and Minicoy, about 36 coral islands, 11 inhabited, 220-440 km off Kerala.

The Nine degree channel divides them; storm beaches on the eastern side.

Mountain-top islands in the east, coral islands in the west.

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