9 Questions
What type of atmosphere surrounded the early Earth?
Methane and CO2
When did the Earth cool and condense water into oceans?
Around 4.2 billion years ago
What type of isotopes are mostly found in natural stable carbon isotopes?
$^{12}C$ (12C)
What does an enrichment of $^{12}C$ in rock suggest?
It was derived from microorganisms
What are Stromatolites produced by according to the given text?
Mat-building communities of mucilage-secreting microorganisms
What is the main belief of the Panspermia theory?
Life arose elsewhere in the universe and seeded the Earth
What did the prebiotic soup hypothesis propose?
Organic molecules formed from simple precursors in prebiotic oceans
What was Montmorillonite clay's role in the formation of polymers?
$^{12}C$ enrichment
According to Miller-Urey experiments, what organic molecules were formed?
'Amino acids'
Explore the timeline of events in the formation of the Earth, starting from 4.6 billion years ago when the Earth had a molten surface to the emergence of cellular life and microfossils. Learn about the conditions and processes that shaped the early Earth.
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