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411 समाचार
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded

411 REFERENCE · Wikibooks

High School Life Science/Reproduction

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

Organic compounds they contain of elements hydrogen and oxygen and inorganic compounds they do not contain hydrogen and oxygen , they contain other elements but they do not normally contain carbon and hydrogen together