Answer | Crossword Clue |
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UNITEDNATIONS | Their symbol is an olive branch. |
paleoecology | a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals |
paleoecologies | PALEOECOLOGY, a branch of ecology that is concerned with the characteristics of ancient environments and with their relationships to ancient plants and animals |
chemistries | The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances |