Which dating technique would yield a result that might read 2.25 million years before present, plus or minus 50,000 years

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.

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

The two types of plains are coastal plains and lowland plains