What’s a concern about diseases spreading in africa?

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.

8. compare the education of a sparta boy and an athenian boy. (2 points)

What is most often given a value of zero to describe an object’s position on a straight line? displacement reference point distance ending location