| Sentence | 2013 September-October, Katie L. Burke, “In the News”, in American Scientist: Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: […] . The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light. The critical component of the photosynthetic system is the “water-oxidizing complex”, made up of manganese atoms and a calcium atom. |
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| Definition | ( transitive ) To https://en.wiktionary.org/wiki/Appendix:Glossary#transitive constitute ; to https://en.wiktionary.org/wiki/constitute compose ; to https://en.wiktionary.org/wiki/compose form .https://en.wiktionary.org/wiki/form |
Tags: make, up
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