Вставьте пропущенное слово 1)there are a lot of mountains in the usa. the highest and langest are the west.2) in the east, they are lower and older.3)the likes in the north of the usa are very deep. is the langest and is the smallets. the capital of the usa.it situated on the river ,мне нужно

1)There are a lot of mountains in the USA. The highest and langest are the Rocky Mountains in the west.2)The Appalachian Mountains are in the east, they are lower and older.3)The Great Lakes in the north of the USA are very deep.The Superior Lake is the langest and the Lake Ontario is the smallest.4) Washington is the capital of the USA.It is situated on the River  Potomac.