If changes are needed, the RN or Therapist instructs in the changes needed. The skilled need then becomes supervising and skilled assessment for accuracy, compliance, necessary updates or changes, side effects, infection, complications, etc. These do not justify long term continued care however.
Main article: Natufian culture. The second period, Mesolithic 2, is also called the Natufian culture. The change from Mesolithic 1 to Natufian culture can be dated more closely. The latest date from a Mesolithic 1 site in the Levant is 12,150 BC. The earliest date from a Natufian site is 11,140 BC.
The Neolithic people in the Nile Valley likely came from Sudan, as well as the Sahara, and there was shared culture with the two areas and with that of Egypt during this time period. By the 5th millennium BC, the people who inhabited what is now called Nubia participated in the Neolithic revolution.he Neolithic people in the Nile Valley likely came from Sudan, as well as the Sahara, and there was shared culture with the two areas and with that of Egypt during this time period. By the 5th millennium BC, the people who inhabited what is now called Nubia participated in the Neolithic revolution.