Fill in the Blanks Wordly Wise Book 5 Lesson 17Online version Wordly Wise Book 5 Lesson 17 by Anthony L 1 wither famine primitive pasture afflictions oasis expand eroded refugees fertile consists barren revert droughts teeming 1 . Africa is the second - largest continent , after Asia . It of over fifty countries , and its people speak over a thousand different languages . 2 . The world's largest desert , the Sahara , is in Africa . Travelers across it make their way from one to the next , spending a night at each as they proceed on their way . 3 . The continent has suffered greatly because of both natural and man - made disasters . Hunger , disease , and war are three of Africa's greatest . 4 . Some countries in Africa are quite prosperous . If the country is at peace and the soil is , life can be good in these countries . 5 . Climate changes greatly affect what happens to the land . Desert may to grassland in one part of the continent , and the opposite may occur somewhere else . 6 . Cattle are a measure of wealth in many parts of Africa . A loss of means the size of the herd must be reduced . 7 . Farmers in sub - Saharan Africa keep a close eye on the weather . Lots of rain means a good harvest , while little or no rains means the crops will and die . 8 . Farmers are helpless as they watch their crops fail for lack of water . No longer able to survive on the land , the people move to the cities . 9 . There's no fixed duration by which to measure a long period without rain . Some last for a few weeks , while others go on for years . 10 . Cutting down trees can be harmful for the land . Tree roots hold the soil in place and prevent it from being by heavy rains . 11 . Makeshift camps are set up to house people fleeing the advancing desert . These camps are with people who have little hope for the future . 12 . Babies born in these camps can expect to live there all their lives . Housing , education , and health services , if they are available at all , are often extremely . 13 . The people forced to leave home would like nothing better than for conditions to improve so that they can return to their farms . They are not by choice . 14 . Food for the starving people arrives at African ports . For a variety of reasons , it often fails to reach the victims of . 15 . Ending world hunger is a challenge for rich countries . They will need to their efforts if they are to succeed .
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