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Desertification
Beginning of essay
is the spread of desert-like conditions in arid and
semi-arid areas, due to human influence and/or climatic change. Some of the
natural causes of are wind erosion, climatic conditions,
and scarce water supply. There is a grave difference between areas where
vegetation has been retained and surrou ....
Middle of essay
...., goats, and cattle
everything is eaten (including twigs and bark). When rain finally does fall
it is too late; trees, shrubs, and grass are all dead. Parts of North and
Central America, and most of Australia is at the risk of desertification
due to inadequate stock raising techniques (see map). This factor, which is
a main cause of desertification, is preventable. Disease-resistant
varieties of animals (can survive drought and eat little) should be kept by
farmers in marginal lands. "They cause.... |
| Number of words: 1163 |
Approximate pages: 5 |
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