How long does it take for the earth to revolve around the sun?

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.

ask for details followreport by gui00g7888888888888 31 minutes ago

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

lol i would say c -porductivity