20 pts !! Use the Nernst equation to adjust this potential for oxygen having a partial pressure of 0.2 bar, which is about its concentration in air. please answer in full sentences, thank you.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of