20 points please help 1. Do you think ancient Antarctica was situated in a different location from its location today? Why or why not?

2. What was Antarctica’s climate like millions of years ago? Provide two types of evidence.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth