which describes where fog forms? at the ground in the upper atmosphere where the air has very low humidity…

which describes where fog forms? at the ground in the upper atmosphere where the air has very low humidity where the atmosphere contains few particles
Answer
Answer:
A. at the ground
Brief Explanation:
Fog is a cloud - like phenomenon that forms at the ground level when water vapor condenses. High humidity and presence of particles are needed for its formation, and it doesn't form in the upper atmosphere.