In your opinion, which branch of science provides the most proof that the earth is approximately 4.6 billion years old? Justify your response in two or more complete sentences in the essay box below.
In my opinion, the branch of science that provides the most proof that the earth is approximately 4.6 billion years old is geology. Geologists study the layers of rocks and the fossils found within them, which can give them an estimate of the time frame in which they were formed. Through studying the composition and properties of rocks, geologists can also determine the age of the earth's crust and the processes that formed it, providing a significant amount of evidence for the 4.6 billion-year-old age of the earth.
