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Largest and wildest area of open country in S England
Ø 2/3 is granite moorland
Ø Hundreds of visitors cause erosion on footpaths etc.…read more

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Many factories use water for cooling purposes. Some factories may discharge bi-products of
their industrial processes into this water.
Farmers apply fertilizers, Herbicides and Pesticides to their crops. Excess chemicals can be
washed into rivers. Cattle slurry and silage may also leak into bodies of water.
Power stations that burn coal, oil and gas produce sulphur dioxide, this is one of the causes of
acid rain and can affect rivers and lakes.…read more

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Sea Empress approached Milford Haven with a cargo of light
crude oil from the North Sea.
· the ship ran aground off St Anne's Head just after 20:00
· 2 hours later, the Sea Empress was afloat again, having lost about 6000 tonnes of oil through
a damaged single-skin hull.
· The vessel then ran aground several more times causing over 70 00 tonnes of oil leaked into
the marine environment.…read more

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Convectional Rainfall
High temperatures at noon evaporate the previous days rainfall trapped on the dense
vegetation. They also heat up the surface.
By Mid-Afternoon the rising air currents cool and condense, becoming heavier.
This forms billowing cumulonimbus clouds which cause heavy rain and often occurring
thunderstorms- this is Convectional Rainfall.
The Nutrient Cycle
Ø Dense vegetation intercepts heavy rain protecting the soil from erosion.
Ø Roots of the trees also bind the soil which is largely infertile.…read more

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Tropical hardwood such as ebony and mahogany are obtained through logging. The timber is a
valuable source of income as there is a high demand for these woods in MEDCs, but little or no
attempt is made to replant.
The rainforests possess great mineral wealth in the form of iron ore, bauxite, manganese
diamonds, silver, gold and uranium. Mining companies cut down trees to build roads and
railways through the forest to get to these deposits.…read more


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