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Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between variables. The correlation coefficient is usually represented by the letter r.
Explanation:
Answer:
Immigrants may be defined as the individuals that comes from some other country but are the permanent resident of some other country. The individual might move for the jobs and education.
The immigrants might flock to the urban neighborhood and can settle on the basis of the their ethnicity. These neighborhood provide jobs to the immigrants and they had poor working conditions. The immigrants were underpaid. The mutual aid societies are formed in which immigrants pay dues and and the society pay for their elevation. The Americans and immigrants suffers from the pollution, crime and overpopulation.
<span>the platelets in the blood comes in contact with air they decompose to form thermoplastic, thermoplastic combine with inactive thrombotic, formed by the combination of Vitamin K and Calcium ions,to form active thrombi,thrombi combines with the fibrin in the blood plasma to form Fibrin, this Fibrin entangle with blood corpuscles and thus clot is formed... i hope i helped
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The skin will get infected
Respiratory system, excretory system, digestive system