Answer:
2. It discusses the effectiveness of certain signals.
Explanation:
The paragraph talks about the effectiveness of certain signals used by baseball players to confuse the opposing team.
Brainliest Plz. It would mean the world to me as I need one brainliest answer to be an expert.
He was a spokesperson of his generation because his books mostly spoke about people who experienced suffering due to the gilded age system of values.
a. how much the different parts of something contribute to the whole
Pie charts are useful for representing how much the different parts of something contribute to the whole. It presents data in an easy-to-read pie slice format which would tell the reader how much of one data element exists. When a certain element takes a bigger part in the pie chart meaning that element has a higher statistics or data compared to other elements. Comparison is one of the main reasons for pie charts. In pie chart you can compare what element is bigger than the others or what is smaller compared to the rest of the elements.
I think it is C, because if I'm right present principal is something that is happening presently? If so, C would be the answer because they "are doing" the exercises right now in context.