Sumerians used sharp to make symbols on clay tablets. (reeds/knives)

Reed, is the right answer.

Explanation:

A reed was a kind of pen made of reed straw and used by the Sumerians as a writing object. It was prepared by cutting and giving a shape of a pen. The evidence of reed pens dated back to 4th Century BC has been found from Ancient Egypt. These reed pens were generally used on papyrus and clay tablets to form written accounts.

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

it would have concentrated power in the executive branch of the government. it would have restored balance among the three branches of government. it would have set a precedent for government intervention in the economy. it would have signaled an end to all the programs of roosevelt’s new deal.

did this .