Our Natural World June 2022, Question 2 16 marks
Over time, waterfalls retreat upstream forming a gorge. The data in the table below gives the amount of retreat of a waterfall over time.
| Year | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
| Retreat (cm) | 6.5 | 2.0 | 4.0 | 0.5 | 9.0 | 7.0 | 4.5 | 3.0 | 2.0 | 10.0 |
Use the data in the table to calculate the mean rate of retreat of the waterfall over time. Show your working.
Reveal mark scheme
Explain the formation of a v-shaped valley.
Reveal mark scheme
* CASE STUDY – the landscape of a UK river basin
Name of UK river basin........
To what extent has management of your chosen river basin been successful?
Spelling, punctuation and grammar and the use of specialist terminology
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