The planet Zook has an atmosphere that contains 3.0 mmHg of neon, 12.0 mmHg of xenon, and 8.0 mmHg of Krypton. What is the total atmospheric pressure of planet Zook?
11.3 mmHg
85.5 mmHg
23.0 mmHg
39.8 mmHg

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Ineed to find the answer of this question because i dont understand it

Nonpoint source pollution is difficult to control because it