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What do scientists estimate is the approximate age of the planet earth? A) 660 million years B) 3.5 billion years C) 4.6 billion years D) 12.2 billion years

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WorldlyGlass49
The scientists estimate that C) 4.6 billion years is the approximate age of the Planet Earth. 
They estimated this according to the age of the solar system, as well as some minerals and components of meteorites. 

Answer: Option C

Explanation: The scientist estimate the age of the earth to be 4.6 billion years ago. The oldest material that was found in the Solar system is dated to be approximately 4.56 billion years ago.

The primordial earth had formed. Life on the earth started later but the formation of earth was found to be this much old.

The early atmosphere of the earth had no oxygen and was very cold, later the cyanobacteria lead to the evolution of oxygen and life on earth.

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