Best Answer: Hi, Answer: estÃ¡ means is. Comments: There are two words for is in Spanish: estar and ser. EstÃ¡ is the third person singular, present indicative ...
The Largest division in the geological time scale is the Precambrian Era.It lasted from around 4.6 billion years ago to 570 million years ago.
The correct arrangement of the different types of geologic time divisions, from longest to shortest, is: A. epochs, periods, eras, eons B. periods, eons, epochs, eras C. eons, eras, periods, epochs D. eons, epochs, eras, periods E. eras, periods, epochs, eons 18.he time divisions in the Geologic Column that represent the longest lengths of time are called: A. eras B. epochs C. eons D. periods E. years 18. The Hadean, Archean, and Proterozoic eons are collectively called the: A. Phanerozoic B. Mesozoic C. Holocene D. Precambrian E. days of yore 18.