Answer:
he graph shows air pollution in the city of London over time.
A graph titled Air Pollution in London has year on the x-axis and particles (micrograms per cubic meter) on the y-axis. At 1700 the value is around 260; 1750, 360; 1800, 390; 1850, 580; 1875, 610; 1915, 380; 1950, 150; 2016, 20.
When did air pollution reach its highest point in London?
around 1825
around 1850
around 1875
around 1900
Explanation:
