Q): Most of the students got 12 scores on the Statístics test but half of the students made at least 17 scores. Then aMo 13 scores, Me >17 scores b) Mo 13 scores, Me> 17 scores c)Mo= 18 scores, Me = 17 scores d) Mo =17 scores, Me = 13 scores

In the image, 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? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.