The active seismic region surrounding the pacific ocean is known as the a. great barrier reef b. ring of fire c. great artesian basin d. vinson massif region

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.

Where is the only active diamond mine in the u.s.?

According to the population pyramid, in 2000 china had about 120 million people in which age-group?