I think the answer to your question you ask is the letter b. the second to last.
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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Answer: A. less centralized than under Mauryan rule
Explanation:
It spanned from northern Greece, through Turkey, Syria, Lebanon, Israel, Iran, Iraq, Kuwait, Egypt, parts of lybia and Sudan, Afghanistan, and Pakistan
