Turbidity. As your book/question states it is a measurement of cloudiness in water.
Answer:
True
Explanation:
He was seen as descended from the sun. The first time the Japanese people heard his voice was when he announced Japan's surrender after the second atom bomb was dropped on Nagasaki.
From what I remember, children in Sparta were pushed towards military. If a child was found to be weak, then they were left for dead. In Athens, they were pushed towards academics and arts. I think that's the main difference.
Answer: the word is crisis