The development of small villages into the first cities was known as
a. the metropolitan revolution.
b. the urban revolution.
c. the cosmopolitan revolution.
d. the city revolution. user: which river is the longest in the world?
a. the amazon river
b. the indus river
c. the tigris river
d. the nile river

Respuesta :

the first question is B) and the second one is A)
1. B. Urban revolution
2. A. Amazon river
hope this helps :)