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| great "seas" of sand dunes in the Sahara |
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| finely ground soil deposited by a river |
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| pictures and symbols used to record information in ancient Egypt |
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| a fly in Africa, south of the Sahara, that spreads sickness (a deadly disease) |
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| the study of the remains and ruins of past culture |
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Definition
| a deadly disease spread by mosquitoes |
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Definition
| to break away from one country to start another |
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Definition
| periods when little rain falls and crops are damaged |
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Definition
| regions surrounded by mountain ranges or other higher land |
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Definition
| the uppermost layer of a forests trees where limbs spread out and block out the sunlight |
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Definition
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Definition
| the South African government policy of seperation of races, which began to disappear in the 1980s |
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