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Which era of geologic time spans about 87 percent of Earth's history?
The Precambrian era spans about 87 percent of Earth's history. It includes the Hadean, Archean, and Proterozoic eons and is characterized by the formation of Earth, the development of early life forms, and significant geological events.
What is seventy-eight percent of earth's atmosphere made of?
Seventy-eight percent of Earth's atmosphere is made up of nitrogen. This gas plays a crucial role in supporting life by diluting oxygen and providing a buffer against rapid changes in atmospheric pressure.
What era makes up about 90 percent of Earth's history.?
The Precambrian era makes up about 90 percent of Earth's history. It spans from the formation of Earth around 4.6 billion years ago to the beginning of the Phanerozoic eon around 541 million years ago. It is characterized by the development of the Earth's atmosphere, oceans, and the emergence of life.
What occupies 29 percent of the Earth's surface?
Landmasses occupy approximately 29 percent of the Earth's surface.
What element is nearly 78 percent of the earth's atmosphere?
Nitrogen is nearly 78 percent of the earth's atmosphere.
What percent has life been on earth?
95
Has Extinction killed 99 percent of life on earth?
No of couse not!
What is life possible in Cosmos?
100 percent of possibility there is a life in cosmos like earth.
What account for 95 percent of life forms on Earth?
insects take up about 95% of the animals on earth
What three thing does the earth have?
Life, Oceans and a high percent of oxygen in the atmosphere
How would life on earth be different if the atmosphere were eighty percent oxygen?
help
What creatures account for 95 percent of life forms on Earth?
insects take up about 95% of the animals on earth
How large was the Permian mass extinction?
95 percent of Earth's life was killed by hydrogen sulphide.
What basic substance of life makes up only 0.3 percent of the Earth's crust?
alveoli sacs
What is an example of a result that would have a probability near 0 percent?
All life on earth dying out by the end of this year.
Is there life out in there?
Well, in my opinion I think there is life out there, well im not 100 percent sure, but i have this 1 percent gut feeling that there is life out there, we just have to find out, im pretty sure it will be like another 10000 years before we find out, this is because our earth will be destroyed soon so we will be more encouraged to find a different place which is similar to earth.
Which era of geologic time spans about 87 percent of Earth's history?
The Precambrian era spans about 87 percent of Earth's history. It includes the Hadean, Archean, and Proterozoic eons and is characterized by the formation of Earth, the development of early life forms, and significant geological events.
