O-LevelGeographyThe natural environment2217/23 · Oct/Nov 2017 · Q48 Marks
Study Fig. 5, which shows a section of the Earth's surface.
- (a)(i)What type of boundary is found at P? Circle the correct answer. conservative | constructive | destructive[1]
- (a)(ii)What type of boundary is found at Q? Circle the correct answer. conservative | convergent | divergent[1]
- (b)What process is taking place beneath the Earth's surface at Q?[1]
- (c)Explain why earthquakes occur at 1, 2 and 3.[1]
- (d)Why do volcanoes form at C?[4]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.
- [1] 4(a)(i) Constructive
- [1] 4(a)(ii) Convergent
- [1] 4(b) Subduction
- [1] 4(c) Movement in different directions / at different speeds Sections of crust lock and release
- [4] 4(d) Plates converging Oceanic / denser / thinner plate subducts Increasing temperature and friction Descending plate melts Material is less dense Magma rises Vent at surface Repeated activity builds volcano
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