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What is the difference between the Mercalli and Richter scale?

The Mercalli and Richter scales are both used when measuring the impacts of seismic activity. However, while the Richter scale measures the magnitude of the earthquake (meaning the force of the earthquake), ...
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Answered by Matthew H. Geography tutor
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what are the characteristics of a destructive and a contructive wave?

Destructive waves are characterised by strong backwash and a weaker swash, as well as the waves being steeper and close together. A destructive wave takes sediment away from the beach. On the other hand, con...
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Answered by Issy M. Geography tutor
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Explain longshore drift.

The prevailing wind blows over the sea at an angle to the coastline, therefore it will cause the swash to run up the beach at a 45 degree angle, this will carry sediment with it which will be deposited. The ...
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Answered by Hattie O. Geography tutor
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Explain the impacts of rural to Urban migration in an urban area

Rural to urban migration is the process whereby people move form the countryside into cities and urban areas, often due to a range of pull and push factors. The impacts to an urban area can be negative. For ...
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Answered by Melissa G. Geography tutor
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Explain how river meanders may change over time [4 marks]

A meander is a winding curve or bend in the river. The river erodes fastest on the outside bend of the river through a process called lateral erosion. Lateral erosion results in undercutting of the river ban...
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Answered by Cameron C. Geography tutor
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