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World Geography, Lesson 06. Natural Divisions of Land Part 3

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70. What are plains covered with sand called?
A. Plains covered with sand are called deserts; some are also covered with stones and gravel. Deserts are generally destitute of water.
71. Which are the largest deserts in the world?
A. The largest deserts in the world are the great African desert, and the desert of Cobi, in Asia.
72. With what is the African desert interspersed?
A. The African desert is interspersed with various fertile spots that are scattered here and there over the surface, like islands in the ocean.
73. What are the various fertile spots in the desert called?
A. The various fertile spots in the desert are called Oases: they are generally inhabited, and serve as resting places for travelers.

The Great Desert is frequently crossed by parties of travelers, with camels; these are called caravans; both men and beasts often suffer greatly from want of water, and sometimes perish from thirst.

74. What are Caves or Caverns?
A. Caves or Caverns are openings in the earth, often wonderful on account of their great size and extent.

One of the most remarkable is Fingal’s Cave, in Staffa, an island on the west coast of Scotland. Its sides are formed with the regularity of walls of hewn stone. It is 227 feet in length, and 42 feet wide, and presents a most striking example of the sublime and beautiful creations with which God has adorned the world .

75. What are public roads?
A. Public roads are pathways used for travelling from place to place.
76. Are roads useful to mankind?
A. Roads are highly useful, for without them the people in different parts of the same country would not know each other.
77. What is a rail-road?
A. A rail-road is an improved kind of road, now much used in the United States, and also in some parts of Europe.

The cars or carriages used on rail-roads, are drawn by steam locomotive engines, at the rate of 20 or 30 miles an hour, and sometimes even vast numbers of people, and great quantities of merchandise, are conveyed by them from place to place, in a manner much more convenient than by the old method.