What is population density the total number of people living in a certain area the average number of the worlds population the rate at which the world population is expected to grow the cultural or ethnicity breakdown of people living in a country

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.

Why does less erosion & more deposition take place on the outside bank of a meander?

What role did the waterways of europe play in development of europe's economy