Question

How old is the Earth?

A. 10 billion years old
B. 4.5 trillion years old
C. 4.5 billion years old
D. None of the above

Answer 1

The Earth is approximately 4.5 billion years old.

Step-by-step explanation:

The Earth is approximately 4.5 billion years old. Scientists have determined this age by studying the oldest rocks on Earth, which have been found to be around 4.404 billion years old. The age of the Earth is estimated based on geological evidence and the study of radioisotopes in rocks and minerals.