Which of the following visual aids would best support the author's claim that government funding for space exploration is relatively small? A) a line graph showing the change over time in the dollar amount spent on space exploration.
B) a bar graph showing the yearly percentage of the federal budget spent on space exploration.
C) a pie chart showing the percentage breakdown of the all federal budget items from 2015.
D) a flowchart showing the process of how the federal government decides on its annual budget.