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PHYSIOGRAPHY

What are buttes? 1485.

What are mesas? 1485.

What are alluvial and lacustrine  plains? 1485.

When are slopes called cliffs? 1485.

When may basins give rise to lakes and ponds? 1485.

What areas of the sea bottom are comparable to certain areas of the

land? 1485.

Are volcanic peaks notable features of the ocean bottom? 1485. Why is it that the most notable secondary features of land surfaces

are not found on the ocean bed? 1486. What formations are built up by waves, currents and coral polyps?

1486.

What is the most mountainous country on the globe? 1857. What boundary line runs through the center of the largest body of

fresh water on the globe? 1850.

What produces the sand of the great Sahara desert? 1654. What is the highest point on the earth? 636. What is the greatest sea depth recorded? 1712. At what depth of the sea is life most abundant? 1713. How does the temperature of the waters of the sea vary? 1712. What causes earthquakes? 574.

What earthquake was the most destructive ever known? 575. How do earthquakes affect the surface of the earth? 575. What is the highest volcano in the world? 464. What volcano is nearest to the south pole? 623.

What two volcanoes have risen from a level plain within the memory of man? 951.

What are the highest mountains in the world? 119. What is the highest tableland in the world? 119.

What is the highest mountain peak of the western hemisphere? 61. What mountain system measures 1,000 miles at its greatest width?

1622.

What tableland is the second highest in the world? 1457. What tableland is called the roof of the world? 1954. What is the largest river in the world? 57. What is the second largest river in the world? 442. What river has waters that are inky black? 1616-7. What country is noted for its underground rivers? 38. What river has a natural wave five or six feet high? 1728. What is the greatest canon in the world? 429. What river has the largest lock in the world? 1218. What hills form one of the most wonderful deposits of iron in the

world? 939. In what country can one find all degrees of temperature in a day's

journey? 1214.

What is the largest continent of the globe? 119. In what country does lumber never rot and meat never spoil? 1909. What are the largest bodies of fresh water on the globe? 1022. What is the most northerly large body of fresh water? 798. What is the largest enclosed sea in the world? 1198. What body of water contains eight times as much salt as the ocean?

510.

What lake is shaped like a cross with a crumpled foot? 1122. What makes the navigation of Lake Erie difficult? 624. What is the average depth of the Atlantic Ocean? 132. What is the average depth of the Pacific Ocean? 1407. In what inlet does the current run east on one side and west on the

other? 1762.

What is the maelstrom? 1143. What is the largest island in the world? 142. What is the second largest island in the world? 1325. What rocking stone is so well poised as to crack a walnut? 1622. Where are the Pontine marshes? 1526. Where is the Great Basin? 798,,

2405