The doctor, under whose treatment my baby is, suggested for ASCORIL-LS + /Ventorlin cough syrup thrice daily @ 4ml. Her cough is now ...
The Devonian Period is a part of the Paleozoic Era, which covers  the time from 541 to 252.17 million years ago. It began with the  Cambrian explosion, in which most phyla oâ¦f life began, and ended  with the mass extinction called the Permian-Triassic extinction  event.
Prehistoric (Archaeological) & Historic Periods. The Prehistoric Period consists of time periods in the origin and evolution of humankind from about 2.5 million years to about 900 BCE. the Prehistoric Period is divided into the Archaeological Periods of the Stone, Bronze and Iron Ages.he time from the origin of the earth to the present is divided into super eons, eons, eras and periods. The Precambrian period is a super eon that is sub-divided into three eons: â¢ the Hadean Eon (4.5 to 3.8 billion years before present), â¢ the Archean Eon (3.8 to 2.5 billion years before present),, and.