layer A is the topmost layer. Layer C contains fossils from the Precambrian era. Layer B contains dinosaur fossils, and layer A contains fossils of mammals. Which two statements are supported by this evidence?

Respuesta :

Answer:

The correct statements are:

3. Dinosaurs evolved after Precambrian organisms;

5. Precambrian organisms were the first life-forms to become fossilized, according to this sample;

Explanation:

Answer:1 and 5 are the correct answers :)

Explanation: