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When The moon gravity is what fraction of the earths?
It is approximately 1/6.
What percentage of earths history had life present?
Life has been present on Earth for approximately 85-90% of its 4.6 billion-year history, with evidence of microbial life dating back around 3.5 billion years. This indicates that microbial life existed on Earth for most of its existence.
What fraction of Earths radius is 6194meters?
The earth is only approximately spherical. Its radius ranges from 6353 to 6384 kilometres, with an average value of 6371 km. So the required fraction is 6,194/6,371,000 = 0.000972, approx
What fraction of earths water is not ocean water?
about 8%
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 %
How many Earths can fit across Uranus?
Approximately 63 Earths could fit across Uranus, as Uranus has a diameter that is about 4 times that of Earth.
The earths magnetic shield has?
existed since the planet cooled
What fraction of Earths surface area is composed of air and land?
The land fraction is approx 7/10 and the air fraction is 0.
What fraction of the earths electricity is used by light globes?
Rarefraction
What are two ways that scientists can study earths climates history?
What are two ways that's scientists can study earths climates history
Approximately What percentage of earths rocks are sedimentay?
27.7 %
Was there an earth before this one?
The scientific consensus is that the Earth has existed for approximately 4.5 billion years, and no evidence suggests that there were previous versions of Earth before our current one. The concept of previous Earths belongs more in the realm of mythology or pseudoscience.
