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How long did earth exist before the first life forms?
The Earth formed about 4.6 billion years ago, and the first life forms are believed to have appeared around 3.5 to 4 billion years ago. This means there was a period of roughly 500 million to 1 billion years between the formation of Earth and the emergence of life.
What does the geological term Ga mean?
It means years x 10 to the power of 9. It is the unit that the age of of the earth is measured in. It stands for Giga Anum Giga = 10^9 and Anum = 1 year
How old was earth when life appeared on it?
The Earth is about 4.5 billion years old. Life appeared on Earth about 3.5 billion years ago. The Earth would have been about 1 billion years old at that time.
What is the average age of most diamonds on Earth?
Most diamonds are estimated to be between 1 billion to 3.3 billion years old. These diamonds are formed deep within the Earth's mantle under high pressure and temperature conditions over billions of years.
What is the name of the first supercontinent formed 1 billion years ago?
The first supercontinent formed 1 billion years ago was called Rodinia. It is believed to have existed during the Neoproterozoic era and eventually broke apart to form the continents we have today.
What term would mean 1 billion years?
We'd probably use the term 1 gigayear to mean 1 billion years (in the U.S.). The prefix "giga" means 1,000,000,000 or, if you prefer, 106 units of something. The gigayear is a billion years, just the the gigaHertz is a billion Hertz (or cycles per second). Also note that we use a "big" G to represent giga. A Gyear is a gigayear or a billion years.Many consider an Eon to be a billion years
What term means 1 quadrillion years?
1,000,000,000,000,000 years
What 3 letter word means 1 billion years?
it is called an eon
How many years in a giga year?
The prefix "giga" means 10 to the 9 or 1 billion.
How many years are in 1 billion?
1 billion years = 365.25 billion days (rounded)
What year will it be in 1 billion years?
The year in 1 billion years will be 1000002016
How muchis a gigowatt?
The prefix is GIGA, not "GIGO", and it means 1 billion (U.S. term) or a milliard (U.K. term) - 10**9 in either case.
If a radioactive isotope had a half - life of 1 billion years how much of it would be left after 2 billion years?
1/4: Half would be gone after a billion years and half of that would be gone in another billion years. 1/4: Half would be gone after a billion years and half of that would be gone in another billion years. 1/4: Half would be gone after a billion years and half of that would be gone in another billion years.
If 12'o clock midnight equals 4.6 billion years ago and 1 hour equals 1 billion years how many years is 3 hours and 6 hours?
3 hours = 3 hours PAST 12 o'clock = (3 x 1 billion) - 4.6 billion = 3 billion - 4.6 billion = -1.6 billion years = 1.6 billion years ago6 hours = 6 hours PAST 12 o'clock = -1.6 billion years + (3 x 1 billion) = -1.6 billion + 3 billion = 1.4 billion years ago
What is 1 billion years in months?
There are 12 months in a year, so there are 12 billion months in a billion years.
How many million years are in a billion years?
There are 1000 sets of 1 million years in a billion years.
1 billion means how many lacs?
10000 lakhs = 1 billion
