Radiometric Dating Is a Technique Used to Determine the Age

Multiple Choice

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.