GEOLOGY
What country with 32 miles of coast extends inward 335 miles? 1920.
What is the second longest river in the world? 1351.
What lake forms the reservoir for the Congo River? 442.
What country controls the trade of the Niger River? 1349.
How much of the Zambezi River is navigable? 2129.
Is Lake Victoria considered the source of the Nile? 2020.
What is the Assuan Dam? 125.
EGYPT.
How far up the Nile does Egypt extend? 590.
What is the main feature of the country? 590.
What part of the country is called lower Egypt? 590.
Into how many divisions is Egypt divided? 590.
What peculiarity has the Nile valley with reference to rain? 590.
At what season of the year does the Nile begin to rise? 590.
How is the course of the river broken? 590.
What are the chief agricultural crops of Egypt? 590.
What fruits are found in Egypt? 590.
What religion prevails in Egypt? 590.
What three gods were found all over ancient Egypt? 590.
For what purpose were the pyramids used? 591.
GEOLOGY
Who was the father of American geology? 1139.
With what does the science of geology deal? 747.
Why is the idea that geology deals with rocks only, inadequate? 747.
In working out the history of the earth, what has been the line of approach? 747.
How is the land carried away into the sea? 747.
How are sandstone and shale then formed? 747.
What is inferred from this? 747.
From what other sources do geologists learn to interpret rock formations? 747.
Where do geology and astronomy meet? 747.
What is the rival to the nebular hypothesis? 747.
What does it affirm? 747.
What are the three great classes of rocks? 747.
What are the three great agents in the metamorphism of rocks? 748.
What does dynamic geology deal with? 748.
What does petrography deal with? 748.
How may structural geology be defined? 748.
What does physiographic geology deal with? 748.
With what other divisions of the subject is it connected? 748.
What is dealt with in paleontologic geology? 748.
Why is historic geology a broad phase of the subject? 748.
Why is economic geology a practical phase of the subject? 748.
What are the five eras of geologic time? 748.
What was formed during the Archean era? 748.
What formations were deposited during the Proterozoic era? 748.
How long is this era supposed to have been? 748.
What systems of rocks were deposited during the Paleozoic era? 748.
How are these systems distinguished from one another? 749.
How great was the range of life in the Cambrian period as compared with that of the present? 749.
In what period have fish remains been found? 749.
What period is known as the Age of Fishes? 749.
During what period were the great coal deposits made? 749.
When did reptilian life begin? 749.
How is it known that the relations of sea and land differed at different times? 749.
Does it appear that the deep sea bottom has ever been land? 749.
- <Haat life existed in the Mesozoic era? 749.
in what period of this era were reptiles the dominant type of life? 749.
2350
