Gun powered and traditionally
- you did not put any "statements", but i found a place where this was already answered.
answer:
the silt from the Euphrates and Tigris rivers created fertile soil that allowed farmers to plant year round.
credits: brainly.com/question/2405403
The answer would be the Sodium potassium pump. This structure is the one that plays the main role in the controle of different types of ions under normal cellular function, as well as when cellular function is abnormal. It exchanges sodium and potassium ions from inside and outside a cell through the cellular membrane. With this, a steady amount of ions are found inside and outside.