The Law of Superposition is part of a method of dating rocks and fossils called relative dating. Which of these statements is not true of relative dating?

Relative dating uses the sequence of the rock layers to establish age.

Relative dating often uses index fossils to establish ages of layers.

Relative dating gives an estimate of age based on the relationship between layers.

Relative dating depends on the use of radioactive isotopes to give exact ages of layers

Relative dating depends on the use of radioactive isotopes to give exact ages of layers