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Precambrian Timeline
3
Transcript
Precambrian time
Jaime Albert
Sorces: Text Book, interactive tour through Geologic Time, https://www.britannica.com, www.nationalgeographic.com, /www.thoughtco.com, Life on Earth During the Precambrian, www.thoughtco.com.
4,600,000,000 - 4,000,000,000
4.6 - 4
billion years ago
The start of the Precambrian era
- The start to planet earth.
- Sedimentary rock started to form
4-3 Billion years ago
The crust cooled down from its molten state, adding lots of vapor to the climate.
4-3 Billion years ago
3-2 Billion years ago
- Volcanic vents a catalysts (a substance that increases chemical reactions) to form bubbles.
- Those bubbles then created single cell organisms the start to our planet
- The start of the plant/animal-life started with blue - green agile
2-1 Billion years ago
- Our first continents began to form.
2-1 Billion years ago
1 Billion - 544 million years ago
1 Billion - 544 Million years ago
- Started to turn to snowball earth and ocean water froze
- The start of Cambrian time
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