Field, laboratory, and library manual in physical geography . Fig. 32. The Rocky Headland shown in the Distance in Fig. 31The detached rock island is called Sugai Loaf from sea water by distillation. Is water vapor which rises fromthe sea salt or fresh? If rain water were salt, how would vege-tation be affected? How does evaporation affect the densityof the water in the sea? Name some bodies of water in whichthis is specially noticeable. Part IV Make a list of food products which are obtained from thesea. Make a list of other useful articles which are obtainedfrom the sea. 148 PHYSICAL GEOGRAP
Field, laboratory, and library manual in physical geography . Fig. 32. The Rocky Headland shown in the Distance in Fig. 31The detached rock island is called Sugai Loaf from sea water by distillation. Is water vapor which rises fromthe sea salt or fresh? If rain water were salt, how would vege-tation be affected? How does evaporation affect the densityof the water in the sea? Name some bodies of water in whichthis is specially noticeable. Part IV Make a list of food products which are obtained from thesea. Make a list of other useful articles which are obtainedfrom the sea. 148 PHYSICAL GEOGRAPHY MANUAL EXERCISE LIX HEADLANDS, BEACHES, SEA CAVES Fig. 31 is a picture of Avalon bay, Santa Catalina island,southern California. Fig. 32 is a detail of the same, showingthe rocky headland at one side of the bay- Observe the bowlderslying in the foreground. Describe shape and size. What effectwill action of the waves have upon the shape and size of these. Fig. 33. Sea Caves at La Jolla (pronounced la-ho-yah), Coast ofSouthern California The cliff is sandstone bowlders ? How will the waves accomplish this ? Compare thesebowlders with those shown in Fig. 38 and account for the dif-ference. What will finally be the fate of any bowlders con-stantly subjected to the action of the waves ? After the advanceof a wave its waters return to the sea, bearing some rock wastewith them. Rock waste of what sizes can be carried most readily HEADLANDS, BEACHES, SEA CAVES 149 by the waves ? What disposition will the sea make of materialthus removed from the shore ? What agencies probably removed from the cliff the bowl-ders shown in Fig. 32 ? In times of storm the waves havesufficient force to pick up bowlders and bear them along, thushurling them against the cliff. Which would probably provethe more destructive agent, waves alone or waves armed withbowlders, pebbles,and sand? Ob-serve the rockisland, Sugar has been de-tached from themainland by
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