The diagram shows a person holding a bow and arrow.  which will  most likely  increase the kinetic energy in this system? pulling farther back on the stringreleasing the stringholding the arrow higherdecreasing the mass of the arrow

Releasing the string would most likely increase the kinetic energy, as kinetic energy is energy in motion. However, if you were to increase the potential energy, then the string would have to be pulled back more, as potential energy is stored energy within an object.

10mmHg

Explanation:

simply subtract each gas' amount from 760, thus getting 10 mmHg left of methane.