Turbidity. As your book/question states it is a measurement of cloudiness in water.
Answer: The United States had many reasons for going to war in 1812: Britain's interference with its trade and impressment of its seamen; Americans' desire to expand settlement into Indian, British, and Spanish territories; aspirations to conquer Canada and end British influence in North America;
Explanation:
The form of city government favored by the biggest cities is the Option C: Mayor-Council. For instance, if we are talking about the state of Texas, then all the largest cities operate via Mayor-Council / Council-manager system, except for the Houston and El Paso.
Alexander the Great destroyed the city of Thebes because he wanted to send a message to the other Greeks that were thinking of revolting like Thebes did. Thebes and other Greek city-states had a pact with Phillip II, Alexander's father, king of Macedonia, that they would be a part of Macedonia. When Phillip died and Alexander took over Macedonia, the Greeks did not want to bow to a 'child' (a 20 year old). Also it had been rumored in the cities that Alexander was dead and it was the perfect time to revolt. That is the reason Alexander the Great destroyed the city of Thebes.
That's not the right answer