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Have humans existed for a long time or a short time during earth's existence?
In terms of Earth's entire history, humans have existed for a relatively short time. Homo sapiens, our species, has been around for about 200,000 years, whereas Earth is estimated to be around 4.5 billion years old.
Is the earth only for human beings?
No, it is not for only humans. It existed long before humans appeared and will exist long after we are gone; in that time, it has, is and will support hundreds of millions of other types of organism.
What percentage of time have hominids existed?
Hominids have existed for approximately 2-3% of the total time that life has been present on Earth, which is estimated to be around 3.5 billion years. This means that hominids have been around for roughly 6-7 million years.
How long have homosapiens existed?
Homo sapiens have existed on Earth for approximately 300,000 years.
What is the total length of time that man has existed on earth?
Modern humans (Homo sapiens) have been around for approximately 200,000 years. This is just a fraction of the Earth's total existence, which is estimated to be over 4.5 billion years old.
Approximately What fraction of the earth's total history have humans existed?
.00003
What percentage of the earths history have humans existed?
That depends on how long ago humans developed. Assume 100,000 years, the earth is about 4,000,000,000 years old. So% = 100,000 / 4,000,000,000 x 100 = 0.0025 %
What percent of the earth's total history has humans been in existence?
divide the smaller number by the bigger number to get a percentage: age of the earth is 4.54×10^9 give or take a year. that's basically: 4,540,000,000years assuming humans existed for 160,000years 160,000/4,540,000,000=3.52422907×10^-5 basically 0.00003 to turn that into a percentage you move the decimal point to the right two space: .003% THUS: human history accounts for only .003% of earth's entire history.
Who was wool discover and when?
Humans and animals that grow fleece have existed together on earth since long before humans taught themselves to write. The name you want has been lost to history.
When was wool first harvested from sheep?
Since humans and sheep have co-existed on planet Earth for ages, even before humans began writing, that date has been lost to history.
What percentage of time has life existed since Earth formed?
it has been for 90%
What percentage of earth's water is usable by humans?
2%
What is the relation between economics and history?
Economics or better said, economic policies have existed for as long as humans occupied the Earth. They are a part of human history. As being a part of history it has a relationship with history. Additionally, economic history" is a field within its own boundaries yet is part of hum overall history.
What percentage does the precambrian represent of the earth's history?
About 87%
Do tornadoes have to do with what humans done to the earth?
No. There were tornadoes on earth before humans existed. Some have tried to link an apparent increase in tornadic activity with climate change caused by humans, but in reality there has been no such increase in activity.
What fraction of earth's history have human-like animals existed show work?
59%
How may years did earth fall in the death star?
None. The only star in the Earth's history is the Sun and the Sun existed before the Earth and will outlive the Earth.
