Quaternary . The second and last period of the Cenozoic Era, from about 2 million years ago to the present. During this time the continents were situated approximately as they are today, although the geography was different due to fluctuations in sea levels caused by the advance and retreat of ice sheets. Humans first appeared during this period.
Find another word for quartets. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for quartets, like: foursomes, quaternaries and ensembles.