2 Foto
1. Reposa la situación de Mateo.
Qué crees que sentá? Haz una lista de las
formas positivas y negativas en que Mateo podria
haber expresado sus emociones. En cada caso,
habrian sido quizás los resultados?
¿Cuáles

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.