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Limesone is a calcium carbonate and when rainwater mixes with carbon dioxide in the atmosphere it becomes weak carbonic acid.  Calcium carbonate is soluble in this acid and thus causing the process of ...

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Population density - more people menas more people get affected

Infrastructure - more built up menas more buildings will be affected and can collap...

Red blood cells are vital for us to stay alive as they carry out an extremely important role in our body - oxygen transport. Red blood cells are the carrier of oxygen around our body in the blood strea...

Past material. This is by far the most effective way to earn the most marks in the exam. Utilising past papers, markschemes and examiner reports are essential in securing your A-Level success. 

There are plenty of fun, engaging ways that will improve your vocab knowledge. On the internet there are a wide range of resources. The more of your senses that you use, the more you will remember. VIS...