as settlements grew the settlements took over the landscape, in big cities many streams and small rivers now run in tunnels underground
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Card 20
Front
soft rock e.g. clay : soft rock is easily eroded by the sea cliffs will be less rugged and less steep than hard rock coasts, soft rock landscapes includes bays
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Card 21
Front
joints and faults : joints are small crocks in rocks,and faults are larger cracks in rocks, both make rok more susceptible to erosion, rocks with more joints and faults are eroded more quickly than rocks with fewer joints and faults
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Card 22
Front
geological structure e.g. if soft rocks and hard rocks occur together
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Card 23
Front
local currents and tidal ranges (the difference in height between low and high tides)
