What is a destructive plate boundary?
A destructive plate boundary occurs when convection currents in the magma causes one plate to be forced under another an melted in the molten layer. This causes pressure to rise on the plate above, and can cause volcanoes and sea trenches.
JR
Related Geography GCSE answers
All answers ▸Explain how long-shore drift occurs and changes the shape of the landscape.
Using a case study, assess whether the primary effects of a volcanic eruption are more or less significant than those of an earthquake. (8mks)
Describe and compare the processes of abrasion, solution and attrition in a coastal landscape (5 marks)
Explain how the increasing use of fossil fuels and changes in agriculture may have contributed to global changes in temperature.