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What is the correct ordering of galactic components using the new bottom-up hypothesis starting from oldest to youngest?a.galactic halo, galactic disk, average globular clustersb.galactic disk, average globular clusters, galactic halo.c.galactic halo, average globular clusters, galactic diskd.average globular clusters, galactic disk, galactic haloe.average globular clusters, galactic halo, galactic disk
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