Cuales son los países del continente americano? (Perdon si pregunto pero es para una tarea importante :c )

The two types of plains are coastal plains and lowland plains

How does the bare soil surface type affect the amount of runoff

All of the following came out of china and were exchanged along the silk road, except a. papermaking b. block printing c. buddhism d. compasses select the best answer from the choices provided a b c d