History, 24.07.2019 07:30 prettygirlgwen24
Read the passage about dr. john snow. in 1849, doctor john snow began to question the long-held beliefs that disease was caused by “bad air.” when a cholera epidemic broke out in london, he interviewed residents of the hardest-hit areas. he mapped cases of the disease and determined that they were centered around a particular water pump. to test his theory that contaminated water was to blame, he convinced local leaders to disable the pump by removing the pump’s handle. the outbreak came to an end. what was dr. snow’s hypothesis? cholera was caused by “bad air.” cases were centered around a water pump. contaminated water caused cholera. leaders should disable the water pump.
Answers: 2
History, 21.06.2019 22:50
European imperialism in the 19th century was largely motivated by a desire to: o a. assert power over other parts of the world. b. end the racist policies practiced in many foreign countries. o c. defend europe from aggressive foreign armies. d. relocate ethnic and religious minorities within national borders.
Answers: 3
History, 22.06.2019 00:00
Which one of these were common aspects of war efforts during world war 1 1. rationing 2. war bonds 3. using schools as military facilities 4. child soldiers 5. women working in factories circle all that apply
Answers: 2
History, 22.06.2019 02:30
Write 3 paragraphs on why the us should not have annexed the philippines
Answers: 2
Read the passage about dr. john snow. in 1849, doctor john snow began to question the long-held beli...
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