<u>The director of a community health organization reads that about 1,300 new cases of HIV infection are expected in her city in the coming year. This statement illustrates an epidemiological statistic called significance or prevalenc</u>e (is a sample of a population who have a specific characteristic in a given period). Just randomly select a sample from the population you want to describe. It is the number of people in the sample with the characteristic of interest, divided by the total number of people in the same sample (differences in methodology may impact significance/prevalence estimates).
Answer:
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Answer: Sodium, answer A if I'am correct...
Answer:
the last one
Explanation:
Satisfy a biological need
Muscles. The biggest change in the body caused by regular exercise is to muscle tissue. “Once you take up exercise, you get early changes in gene expression, within hours, and this continues,” says Prof Donnelly. “The genes are for improved aerobic performance and muscle growth.