Name each layer of earth, starting from earth's center. include both layers of the core and all layers of the mantle

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?