Examlex
Bromine )has a freezing point of -7 °C,and a boiling point of 60 °C.
Indicate the state present or the change of state occurring at each temperature.
--7 °C
Median Household Income
The middle income value where half of the households in a geographical area earn more and half earn less, used as a standard measure of economic well-being.
Teen Pregnancy
Pregnancy occurring in young women under the age of 20, which carries unique health risks and socio-economic implications for the teen and her child.
Multiple Controls
In experimental research, refers to the use of two or more control groups to compare against the experimental group, enhancing the validity of the results.
Case-control Studies
Observational studies that compare individuals with a particular condition or disease (cases) to those without (controls) to identify risk factors.
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