Which of these is not true of mesopotamian cultures
. they were not -literate cultures.
. they grew more grain than they needed and used half of it to make beer.
. they dug ditches and canals to move water into farmland.
. they practiced metallurgy, which inaugurated the bronze age.

They grew more grain than they needed and used half of it to make beer.

Explanation:

Although people in Mesopotamia were drinking beer in large amounts, which can be seen from the historical sources, they haven't used it in such large quantities as suggested.

According to them the first beer appeared in Mesopotamia around 3500 BC.

the decreasing neutrality of the u. s. in world war i

hope this : )