1) A point charge of -1.0 x 10-9C is located 5 x 10-2 meters from another point charge of +3 x 10-°C. What is the magnitude of the electric force between the two charges?

No because a circle or pie graph usually shows percentages you'd need a line graph

Honestly "global warming" may be a slight possiblity, however they called it "climate change" because its not real, in fact we had one of our coldest days here not too long ago, and the "issues" with this subject is a blindfold for actual problems.