Answer:
A rift valley is formed from a divergent plate boundary, a crustal extension or spreading apart of the surface, which is subsequently further deepended by the forces of erosion.
Id say b because for a while it had no real population
Dallas does not experience winter
Soil fertility is lowered by
agriculture. It lowers fertility by removing soil nutrients incorporated
in the harvested crops. Cultivation, especially with heavy machinery
... This is where you will find your answer in this page just read it. Soil Fertility and ConservationSoil fertility---the ability to support plant. It is not enough to describe the soil as a country's greatest source of wealth; it is more ... to plant growth and development and are a good index of soil fertility. ... on steeper and steeper slopes lowered soil productivity - both in the hills and in ...
