How does altitude affect visibility according to meteorological principles?

The phenomenon of visibility in relation to altitude can be explained through various meteorological principles. As altitude increases, there are several factors that can affect visibility.

The correct understanding is that visibility can indeed be influenced by sky brightness. At higher altitudes, the atmosphere becomes thinner, and there is generally less particulate matter and water vapor present. This results in clearer air, which can enhance visibility under certain conditions. However, the brightness of the sky does not decrease; in fact, it can appear brighter at higher altitudes due to the reduced scattering of light.

It's also important to consider that at higher elevations, vision can be influenced by how bright the sky is, making it potentially more challenging to focus on objects. That said, the primary meteorological principle that holds true here is that visibility tends to increase as one ascends in altitude, primarily due to less atmospheric interference with light, even though the apparent brightness of the sky may create visual challenges.

This option accurately captures the relationship between altitude and visibility, specifically in terms of how the brightness of the sky can complicate focus, even if visibility is theoretically better at higher altitudes. It’s a nuanced view involving both the clarity of the air and the influence of surrounding light conditions.