Precambrian - It extends from 4.6 billion years ago to the beginning of the Cambrian Period (about 541 Ma). It includes three eons, the Hadean, Archean, and Proterozoic.
The queen of Egypt 2000 years ago was Cleopatra VII. She was the last active ruler of the Ptolemaic Kingdom of Egypt, and her reign is known for its political intrigue and alliances with powerful Roman leaders such as Julius Caesar and Mark Antony. Cleopatra is also renowned for her beauty and her tragic end.
Ma
105,167 people live in Lowell
Safe for what? Anything under 10 mA should be OK for a short period of time. See table in related link: Electric Current Needed to Kill a Human.
Ma means million years or million years ago. So and event that ocurred at 60 Ma ocurred 60 million years ago.
93 years ago
The Hadean is the oldest, it started at Earth's formation about 4.6 billion years ago (4,600 Ma), and ended roughly 3.8 billion years ago.
Precambrian - It extends from 4.6 billion years ago to the beginning of the Cambrian Period (about 541 Ma). It includes three eons, the Hadean, Archean, and Proterozoic.
15000 MYA means 15000 Million Years Ago, or 15 billion years ago, longer than the approximate age of the universe (13.8 billion years). MYA can also be represented by the SI value "Ma" meaning mega-annum, so that 15000 Ma = 15 Ga (giga-annum).
470 million years ago was in the Ordovician Period (488.3 - 443.7 Ma).Phanerozoic Eon (542 Ma - Now)Paleozoic Era (542 - 251Ma)Ordovician Period (488.3 - 443.7Ma)Middle Ordovician Epoch (471.8 - 460.9Ma)Dapingian Age (471.8 - 468.1Ma)
No the Cambrian Period came before the Jurassic Period.Periods in the Paleozoic Era (542 - 251 Ma) and the Mesozoic Era (251 - 65.5 Ma)Cambrian (542 - 488.3 Ma)Ordivician (488.3 - 443.7 Ma)Silurian (443.7 - 416 Ma)Devonian (416 - 359.2 Ma)Carboniferous (359.2 - 299 Ma)Permian (299 - 251 Ma)Triassic (251 - 199.6 Ma)Jurrasic (199.6 - 145.5 Ma)Cretaceous (145.5 - 65.5 Ma)
37 miles taking ROUTE 146 - NORTH.
the twix bar came from up ma bum holey 27 years ago xxxxxx !!!!!!!!!!!!!!!! <3 (:
one year
Ma in geology means Mega Anum. The M is a standard SI prefix (think giga, mega, kilo, etc.), and anum means year. However, in geology the "a" specifically denotes time before the present. For example, 10 Ma means ten millions years before the present, or ten million years ago. This distinction is important because the symbol Myr is used for a million years, as well ("yr" is the abbreviation for year, similar to "s" for second or "hr" for hour). Using the "yr," however, does not denote relation to the present and instead refers to an arbitrary length of time. For example, the Triassic began about 250 Ma and ended 200 Ma, and it only lasted about 50 Myr. So it began about 250 million years ago (Ma) and lasted for fifty millions years (Myr).
The Paleozoic era is the longest out of the options given, lasting from about 541 million years ago to 252 million years ago. The Jurassic period is part of the Mesozoic era, which followed the Paleozoic era. The Carboniferous period occurred within the Paleozoic era.