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Band 8+: Task 1: (Line Graph) Differing amount of nitrogen oxide by four types of vehicles.

Image for topic: Task 1: (Line Graph) Differing amount of nitrogen oxide by four types of vehicles.
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The image displays nitrogen oxide emissions (g/km) data by speed (kph) for four vehicles: Buses, Lorries, Petrol cars, Diesel cars. Buses: 10kph: 40g/km, 20kph: 36g/km, 30kph: 33g/km, 40kph: 30g/km, 50kph: 28g/km, 60kph: 27g/km, 70kph: 27g/km, 80kph: 29g/km, 90kph: 31g/km, 100kph: 34g/km, 110kph: 37g/km, 120kph: 40g/km, 130kph: 43g/km. Lorries: 10kph: 33g/km, 20kph: 30g/km, 30kph: 27g/km, 40kph: 25g/km, 50kph: 22g/km, 60kph: 18g/km, 70kph: 16g/km, 80kph: 18g/km, 90kph: 20g/km, 100kph: 22g/km, 110kph: 24g/km, 120kph: 26g/km, 130kph: 28g/km. Petrol cars: Between 10-130kph: consistently 10g/km. Diesel cars: 10kph: 7g/km, 20kph: 6g/km, 30kph: 5g/km, 40kph: 5g/km, 50kph: 5g/km, 60kph: 5g/km, 70kph: 5g/km, 80kph: 5g/km, 90kph: 6g/km, 100kph: 6g/km, 110kph: 7g/km, 120kph: 7g/km, 130kph: 8g/km.
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The graph shows the amount of nitrogen oxide emissions produced by four vehicles.

In general, the output of nitrogen oxide emissions by petrol cars and diesel cars remained nearly the same as vehicles’ speed increased. While the emissions from two other vehicles fluctuated depending on their speed.

At 10 kph, the diesel car produced about 7 grams of nitrogen oxide emission; this figure then fell by 1 gram at both 20 and 30 kph. Notably, from 40 kph to 130 kph, its nitrogen oxide emission plateaued at 5 grams. When it comes to petrol car, the production of nitrogen oxide emissions hovered at 10 grams as the speed climbed.

By contrast, lorries produced dramatically more nitrogen oxide emissions, starting at about 35 grams. This figure indicated a fairly consistent decline from the beginning, reaching 25 grams by 90 kph onwards, followed by minimal growth of 5 grams at 130 kph. The disparity in nitrogen oxide emissions by buses began at 40 grams, then rapidly declined to around 25 grams, before showing a substantial and steady rise to 43 grams, which marked the highest emission level.

Word Count: 185

Answers On The Same Topic:

Task 1: (Line Graph) Differing amount of nitrogen oxide by four types of vehicles.

The given graph illustrates the amount of nitrogen oxide emissions produced by four types of vehicles: buses, lorries, petrol cars, and diesel cars. Overall, emissions from diesel and petrol cars remained almost constant across the speed range, while buses and lorries showed both downward and upward trends. Buses consistently emitted the highest levels of nitrogen […]

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