Answer :
A cloud which forms at ground level is called a fog.
Fog is made up of water droplets which are in the air or near the Earth's surface. Fog is a low-lying cloud.
It is mostly made near bodies of water. It can also be made by human
activities. Fog can form in many ways.
The different names for the different types of fogs are: Radiation fog, Ground fog, Advection fog, Precipitation fog,
which is also known as frontal fog, and Hail
fog.
Hope it helps
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