Which factors caused crops to stop growing in Sumer?
Choose all answers that are correct.
a. poor drainage
b. salty soil
c. extended droughts
d. pest infestations

Respuesta :

b salty soil would be ur answer!!

hope i helped:P 

Answer:

b would be your answer and what is the next one after b i am in ALVA doing a test and i need one more answer. that'd be  c! and b!

thank you!