Two 3.0 μC charges lie on the x-axis, one at the origin and the other at A third point is located at What is the potential at this third point relative to infinity? (The value of k is) A. 1200 B. 980 C. 780. D. 290​

Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm