Which statement is correct about carbon dating and index fossils? (1 point)

• They are both used to determine the relative ages of rocks and fossils.
• Carbon dating is used for absolute dating, but index fossils are not.
• Index fossils are used for absolute dating, but carbon dating is not.
• They are both used to determine the absolute ages of rocks and fossils.

• They are both used to determine the relative ages of rocks and fossils.