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Use composition ($\\mathrm{O}7+/\\mathrm{O}6+$ ratio, $\\mathrm{Fe}/\\mathrm{O}$ enhancement of low-first-ionization-potential elements), Alfvenicity and magnetic connectivity mapping from Solar Orbiter and Parker Solar Probe. Answer: fractions with uncertainties.","problem_ref":null,"references":"","settled_by":"In situ composition measured close to the Sun with remote spectroscopy of the connected source region for many wind streams.","status_note":"","title":"Where on the Sun does the slow solar wind 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