How many years ago, abiogenesis occurred?

3.2 billion years

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3.5 billion years

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2.5 billion years

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3 billion years

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Solution

The correct option is B
3.5 billion years

Earth is believed to have formed about 5 billion years ago. 3.5 billion years ago, the atmosphere probably consisted of carbon dioxide (CO2), carbon monoxide (CO), water (H2O), nitrogen (N2), and hydrogen.

The “theory of abiogenesis” states that “life originated from non-living matter”.

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Similar questions

Q. The abiogenesis occurred about how many billion years ago

Match the events leading to the origin of life listed under column I with the time frame given under column II; choose the right answer which gives the correct combination of the alphabets of the two columns:

$\begin{matrix} C o l u m n I & C o l u m n I I E v e n t s & T i m e F r a m e A & O r i g i n o f u n i v e r s e & p & 3 b i l l i o n y e a r s a g o B & O r i g i n o f e a r t h & q & 4.6 b i l l i o n y e a r s a g o C & O r i g i n o f s t a r s & r & 10 b i l l i o n y e a r s a g o D & O r i g i n o f l i f e & s & 14 b i l l i o n y e a r s a g o t & 5 b i l l i o n y e a r s a g o \end{matrix}$

Q. How many years it took to increase the population of the world from

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Q. Which one is present today but was absent about 3 to 5 billion years ago?

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