The answer you're looking for is June 1st, 1796.
From the Nile to the Indus valley, all of the early civilizations formed on river banks. This was because the rivers like the Nile provide fertile land to grow crops, raise cattle and if more than one civilization forms on the banks of the same river,
D.asthenosphere is the layer of earth that has convention currents
Answer: The asphalt remains intact but is covered with logs and dead tree branches.
Explanation: Because since the asphalt was abandoned it wasn't used so it can't be worn out by car tires.
Lines of latitude are horizontal. They meet at itself.