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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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transitional zone |
The transition zone is part of the Earth's mantle, and is located between the lower mantle and the upper mantle, between a depth of 410 and 660 km (250 to 400 miles). |
people use to use the transition zone to get arounder the earth |
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delta |
a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river, often, though not necessarily, triangular: the Nile delta. |
delta is the fourth letter in ghe greek alphabet |
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sahel |
is the ecoclimatic and biogeographic zone of transition in Africa between the Sahara to the north and the Sudanian Savanna (historically known as the Sudan region) to the south. |
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clan |
a group of close-knit and interrelated families (especially associated with families in the Scottish Highlands). |
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oral tradition |
by word of mouth; spoken rather than written. |
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Subsistence farming |
Subsistence agriculture is self-sufficiency farming in which the farmers focus on growing enough food to feed themselves and their families. ... The typicalsubsistence farm has a range of crops and animals needed by the family to feed and clothe themselves during the year. |
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Desertification |
the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. |
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valley indigenous |
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poaching |
has traditionally been defined as the illegal capturing of wild animals, usually associated with land use rights. According to Encyclopædia Britannica,poaching was performed by impoverished peasants for subsistence purposes and a supplement for meager diets. |
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Reservoir |
a large natural or artificial lake used as a source of water supply. |
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conflict diamonds |
is a term used for a diamondmined in a war zone and sold to finance an insurgency, an invading army's war efforts, or a warlord's activity. |
you can use them to |
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Infrastructure |
the basic physical and organizational structures and facilities (e.g., buildings, roads, and power supplies) needed for the operation of a society or enterprise. |
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Griots |
a member of a class of traveling poets, musicians, and storytellers who maintain a tradition of oral history in parts of West Africa. |
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Understory |
a layer of vegetation beneath the main canopy of a forest. |
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cash crop |
a crop produced for its commercial value rather than for use by the grower. |
Cotton that you grow in order to sell is an example of a cash crop.
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