Explain briefly the causes of the tides

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.

¿cual es mas alta en baja california, la migracion o la inmigracion?

[bws.05]where would uncharged particles be most likely found in an atom? o on the electrons o inside the protons o inside the nucleus outside the nucleus