When you or someone you are caring for is seriously ill, it is recommend that you keep EOBs for five years after the illness or condition is alleviated. If you or the patient is claiming or has claimed a medical deduction, keep the explanation of benefits for seven years.
The earliest writing can be traced to Sumer, in Mesopotamia. This system did not use an alphabet, instead it used pictographs which are symbols representing familiar objects. This type of writing was called cuneiform, or wedge-shaped writing. Egyptians used hieroglyphics, also a pictograph system.
Writing developed in Ancient Mesopotamia long ago. Cuneiform is a group of lines and wedges that were used with sharp tools that carved letters and words in to clay tablets. W â¦ hen people in Ancient Mesopotamia realized that cuneiform was too complicated, the Phoenicians developed an alphabet.