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

here are some events that to cause increased conflict between the north and south

1) mexican cession- gaining modern day california, utah, arizona, and new mexico from mexico. caused southern and northern politicians to fight over whether or not there would be slavery in these newly acquired territories.

2) uncle tom's cabin- this famous book described the cruelty of slavery in the south during the antebellum period, causing more northerners to support abolition and southerners to resent the book as they felt it unfairly depicted southern society.

3) kansas- nebraska act- disagreements over whether or not kansas and nebraska would be free or slave states caused issues between northern and southern politicians in congress.

4) bleeding kansas- this fighting took place in kansas after congress allowed this territory to vote on whether or not they would have slavery. citizens were killed and buildings were destroyed during this fighting.

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explanation:

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he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

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