Answer: D. advanced technology in irrigation to create agricultural surpluses
Explanation:
There is no map so I do not know which river valley civilization you speak of but I found the options for this question with the answer above being the most likely answer.
The question most probably alludes to the Indus River Valley Civilization which is one of the oldest civilizations to ever exist in the human world.
They had quite a high population for the time and so came up with various technological advances to cater for their people including sewage and water systems.
It was their work with irrigation that earned them high praise however. They came up with advanced irrigation techniques which ensured that agriculture boomed and created enough food to feed the population.
Answer:
Im guessing if you were a slave you had no rights and could not vote. If you were a metic you only had partial rights.
Explanation:
Importing these cars into American, Germany is exporting them
The maturation of biological systems, cognitive abilities, personality, emotional regulation, and appropriate and healthy social skills.
Answer:
this is what I think
Explanation:
In other words, the total amount of energy remains constant. On a roller coaster, energy changes from potential to kinetic and back again many times over and over cours of the ride. Kinetic energy is energy that an object has because of it motion.