<span>In the middle archaeologists have uncovered many early human communities which were lost to time many ages ago, of these communities two notable ones are the Jericho and Catal Huyuk.</span>
Answer:
The hilus
Explanation:
Each kidney has a prominent medial indentation called the hilus
Electrons in oxygens are 8.
The first level has 2 while the second has 8 too