What is a great tradition throughout Colombia?

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 lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. c. fossils found in upper layers of sedimentary rock are older than fossils found in lower layers of sedimentary rock. d. fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock.

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves