<span>Researchers fail to control variables that then damage the overall integrity of an experiment. The conclusions can be wildly inaccurate as a result. The results may show a negative correlation between variables that invalidate the total effort. The researchers assume variables but do not account for a variable that influences the statistical outcome of the experiment.</span>
During the Russian Revolution, the Bolsheviks, led by leftist revolutionary Vladimir Lenin, seized power and destroyed the tradition of csarist rule. The Bolsheviks would later become the Communist Party of the Soviet Union.Feb 28, 2020
Answer:
because a new president has to be decided once every four years. and since trump was elected president in 2016, 2020 would mean that trump would have to leave the white house.
Explanation:
<span>If John Snow was investigating a cholera outbreak today, he would have access to modern scientific equipment that would allow him to pinpoint the source of the outbreak, such as microscopes with enough power to see the microbes. Additionally, he would know of modern theories of disease and infection, and so would have a better framework to understand the evidence he gathered. The combination of these factors would allow Snow to much more quickly and effectively discover the source of the outbreak.</span>