Answer:maybe because he/she is scared of hights I think that is how you spell it
Explanation:
The Preamble of the Consitution of the United States is a brief introduction and it aims to explain the motives behind its creation, it can be read as follows:
We, the citizens of the United States, create this Constitution in order to establish the laws for the Union, establish a justice system, ensure stability, defend the Union, and promote general wellbeing and freedom for the current population and for future generations.
Secondary; The events are 100 years apart. There is virtually no chance of it being primary.
Turbidity. As your book/question states it is a measurement of cloudiness in water.