Question

Help

Answer 1

By this time, others had already had city walls the Sumerians were discovering new things like, irrigation systems (for their ALREADY DOMESTICATED CROPS), cuneiform for their social system's communication, arithmetic, geometry, and the first plow (out of wood) that was innovated about 4000 BCE by farmers.

Answer 2

D?

Answer 3

They created the first plow, tet. others discovered domestication of crops before that

Answer 4

O so B?

Answer 5

Yes

Answer 6

yes

Answer 7

Thank you

Answer 8

np

Answer 9

np even tho I didnt really do anything o;