What body of water did the people of asia need to cross in order to migrate to japan?

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 statements are accurate about snow flakes

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]