How can you increase the sensitivity of a Mercury thermometer?

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

That depends on what kind of environ meant it is in  in space it has the same force that was applied when the velocity was gained

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.

Scissors and a seesaw both cut things that’s the only comparison