Human exploitation of fragile ecosystems can lead to the droughts and arid conditions characteristic of desertification. Effects include land degradation, soil erosion and sterility, and a loss of biodiversity, with huge economic costs for nations where deserts are growing.
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The action potential is conducted into a skeletal muscle fiber by, transverse tubules.
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the amount of A was equal to the amount of T
amount of C and the amount of G
The two main points from Darwin's theory of evolution is that 1) most, if not all living organisms evolved from one or just a few common ancestors and that subsequent specialization of further generations then led to new species. Furthermore, he said that 2) the process how this was done was by natural selection where the organisms which were most adapted to their environment were successfully 'remembered in the gene pool'.
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Once water vapor is in the atmosphere, low temperatures cause the vapor to either condense into a liquid or undergo deposition to form ice crystals. Water droplets can form clouds from the atmosphere.
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