[Answer] Is it necessary to cite information that is common knowledge or widely accessible like historical information or popular scientific information e.g. 70% of the earth is covered in water?

Answer: No

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Is it necessary to cite information that is common knowledge or widely accessible like historical information or popular scientific information e.g. 70% of the earth is covered in water? E.g . "A common fringe belief is that Illuminati agents can fly. [1] Writes one supporter 'Up until 1930 the Men in Black had leathery wings with a wingspan of more than 30 feet. Since then they they have used jetpacks.'[2]" The first ref would be to something that establishes the belief is common ; the second would be to the otherwise ... (And like I noted a Los Angeles industry news outlet covered this before the BBC so it's certainly in the American cultural interest) Kingsif 21:31 31 July 2020 (UTC) Clever argument but US popular media dominance is not the kind of bias I'm concerned with since it isn't really a bias at all just a reality. There are a still a few facts I would like to add ( e.g . use to make hydrochlorides) or would like to see improved ( e.g . biology section images the confusing uses section). Before nomination when all facts are in place we should proofread and polish the article in a concerted action ( e.g . remove unimportant or redundant facts words and ... OTOH I agreed that text should be text even when used as parts of a package that also includes an image e.g . annotations on an image. However the benefits are not WP:ACCESSIBILITY as such package need spatial information e.g . which annotations apply to which areas to the image. The benefits actual benefits are mainly in avoiding editing ... Evolution is change in the heritable characteristics of biological populations over successive generations. These...

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