GROUP D. THE LANDS 

 (Answer three questions from this group.) 



8. Draw a contour map of a hill, with steep eastern and gentle western slopes, 



with a river flowing west. Construct a north-south profile through the 

 crest of the hill. Give horizontal and vertical scales used. 



9. Describe some ocean harbor, including its method of origin and its com- 



mercial advantages. 



10. Explain the formation of flood-plains and describe their peculiarities of slope 



and drainage. Give several reasons why flood-plains are productive. 



11. Why are some lakes salt whereas others are fresh ? Give an example of each 



kind. Why do salt lakes show a greater fluctuation in level than fresh 

 lakes ? Why do streams flowing from lakes show less variation in volume 

 than do those entering lakes ? 



12. Define ten of the following terms: monsoon, spit, peneplain, mature valley, 



fault cliff, esker, till, fall line, mesa, geyser, dike, doldrums, standard time, 

 base-level, spring tide. 



