7. E
explain the relationship between air pressure and cloud cover.​

Explanation:

Clouds dissipate in the surrounding air but move in the direction of wind fonly. Therefore speed of clouds cannot be more than that of the wind it is caught up in. In fact the cloud movement is used as a tool to measure the wind at various heights, in Satellite applications, (of meteorology).

High in the atmosphere, air pressure decreases. ... A low pressure system has lower pressure at its center than the areas around it. Winds blow towards the low pressure, and the air rises in the atmosphere where they meet. As the air rises, the water vapor within it condenses, forming clouds and often precipitation.

for the points