Which of the following is true about fossils? A. The relative age of fossils cannot be determined from their position in sedimentary layers. B. Fossils found in upper layers of sedimentary rock are older than fossils found in lower layers of sedimentary rock. C. Fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. D. Fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock.

Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?