Answer:
In high school, all four constructive speeches are generally eight minutes long and all four rebuttal speeches are four or five minutes in length depending on the region; in college they are nine and six minutes long respectively. All cross-examination periods are three minutes long in high school and in college.
Julia cry's in the garden.That is an explanation for that.<<<
A, The river is constantly changing. I did this last year so I know what the answer is. Fickle means changing frequently or in my term, stubborn. In his point of view, the river has a mind of its own and changes often. Which he described as "fickle." It may be hard for Twain to pilot a steamboat, if the river is constantly changing.