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Explain how a tsunami is formed.

At a tectonic plate boundary, a earthquake occurs. This causes a large release of pressure and a tectonic plate to jolt upwards, causing a water displacement column. As a result, waves with a low frequency, ...
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Answered by James F. • Geography tutor
20619 Views

Describe and compare the processes of abrasion, solution and attrition in a coastal landscape (5 marks)

This question is a describe question so you do not have to explain how these processes work, you should point out similarities and differences between the three processes. You should write five clear points ...
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Answered by Tessa M. • Geography tutor
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Global temperatures are expected to increase by 0.3-4.8 degrees C by 2100. Name 3 ways this will effect the physical environment.

Any 3 of: Melting ice Melting ice causes sea levels to rise, which could flood coastal habitats forever, losing the land and associated biodiversity.Changes to the way sea ice changes through the year is aff...
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Answered by Ella D. • Geography tutor
2676 Views

Describe the differences between erosion and weathering

Weathering occurs in situ where physical, chemical and biological processes such as thermal stress, oxidisation and plant growth (respectively) wears down the rocks. Whereas erosion wears down the rock with ...
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Answered by Huy H. • Geography tutor
3350 Views

What is a dependency ratio and how would an ageing population affect it?

A countries dependency ratio is the total elderly population (65 years old +) divided by the total working age population (15-65 years old) times by 100. An ageining population would create a high percentage...
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Answered by Ben W. • Geography tutor
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