The present estimate of the Earth's age is about ________ years.
A) 50 million
B) 500 million
C) 2.8 billion
D) 4.6 billion
E) none of the above

Question

Quizplus · Accepted Answer

The most widely accepted estimate of the age of the Earth is 4.6 billion years, based on radiometric dating of rocks and meteorites. Options A, B, and C are much lower estimates and do not reflect current scientific understanding. Option E is not a valid choice as it does not provide an alternative answer.

The Present Estimate of the Earth's Age Is About ________