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The earliest fossils found are of stromatolites from around 3.5 billion years ago. Stromatolites are formed of bacteria that convert carbon dioxide, water and sunlight into calcium carbonate and oxygen.
Evidence from trapped bubbles of atmosphere in volcanic rocks shows that the atmosphere 3.5billion years ago was more like Venus today; largely carbon dioxide. Stromatolites thrived in this atmosphere. Ironically, their success caused a major crisis for early life as they removed most of the carbon dioxide from the atmosphere.
What else can I help you with?
What was the first horse on earth called?
the first horse to ever live on earth was called a Shamagin .
How many peacocks live in earth?
it is changing all the time!!!!!!!!!!!!!!!!!!!!!!!!! ZERO live in Earth, the first answer is correct for the number living on Earth.
Where did the first people on earth live?
Africa
Who was the first human to live on earth?
ADAM
Who is the first person to live in the earth?
Adam.
Who was the first to live on Earth?
Adam and eve
Where did the first creature on earth live?
bacterias
who was first human to live on earth?
Adam
Who is th first animal live in earth?
Dinosaurs was the first animals living on earth,but died years ago.
How old is the first person who live on earth?
eve
Who is Akimedies?
he is the first mathematician to every live on this earth
Who was the first animal to live in earth?
unicellular animal.
