Radiometric dating is a technique used to determine the age of rocks. Geologists have used this technique to determine that
A) Earth is about 4.6 billion years old, and life appeared on Earth about 3.8 billion years ago.
B) Earth is about 3.4- 3.8 billion years old, and life appeared on Earth about 460 million years ago.
C) Earth is about 34- 38 billion years old, and life appeared on Earth about 4.6 billion years ago.
D) Earth is about 46 billion years old, and life appeared on Earth about 34- 38 billion years ago.

Question

Quizplus · Accepted Answer

Radiometric dating has been used to determine the age of rocks and has shown that Earth is approximately 4.6 billion years old. Additionally, this technique has allowed geologists to determine that life appeared on Earth about 3.8 billion years ago. This information has been obtained through the study of radioactive isotopes and their decay over time.

Radiometric Dating Is a Technique Used to Determine the Age