Earth science! what can occur at a convergent boundary? a). an earthquake b). a river c). a rill d). an ocean valley

A2 cm object is 10 cm from a convex lens that has a focal length of 4.4 cm, the image is 8cm from the lensz the height of the image, to the tenths place is

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from

Deep-ocean and are created by convergent boundaries of an ocean and continental crust