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Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work