The air pollution in London reached its highest point around 1875.
As a result of the Industrial Revolution, London became:
- overpopulated
- heavily polluted
- quite noisy
From the description of the graph, we can tell that around the year 1875, London suffered the highest air pollution shown by the graph as air pollution reached 610 micrograms per cubic meter.
In conclusion, 1875 saw the worst air pollution in London according to this graph but it is a good thing that this has improved massively as of 2016.
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The correct answer is C. A decrease in hydropower development.
The Yangtze River is one of the longest rivers by volume in all the world. And it has become the river which flows entirely in the country. What makes this river to have less pollution is the fact that there are some parts that are protected as nature reserves.
Answer:
-2.7
Explanation:
Add -6.4 and 3.7
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