Look again at Picture B of The Burren - Junior Cycle Geography - Question B - 2005
Question B
Look again at Picture B of The Burren. Explain fully how rainwater weathers the rock shown in this picture.
Worked Solution & Example Answer:Look again at Picture B of The Burren - Junior Cycle Geography - Question B - 2005
Step 1
Explain how rainwater absorbs carbon dioxide
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Answer
Rainwater interacts with carbon dioxide in the atmosphere, leading to the formation of a weak solution known as carbonic acid. This process enhances the rock weathering.
Step 2
Describe the nature of limestone as a rock
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Answer
Limestone is characterized as a permeable rock. This permeability arises due to various natural lines of weakness, such as joints and bedding planes, which allow water to penetrate.
Step 3
How rain interacts with limestone
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Answer
The presence of rain facilitates the dissolution of calcium carbonate found in limestone. This chemical reaction leads to the formation of distinctive geological features known as clints and grikes.
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