Question

Fossils are dated by

• A. Amount of calcium residue
• B. Amount of radioactive carbon compound
• C. Association with other mammals
• D. Structure of bones

Answer 1

The correct option is B Amount of radioactive carbon compound

Radiocarbon dating is a method of determining the age of an object containing organic material by using the properties of radiocarbon. The method was invented by Willard Libby in the late 1940s and soon became a standard tool for archaeologists.