Water vapor turning to frost on your grass is an example of deposition. Option A is correct.
A deposition is an act of depositing silt that has been transported by the wind, water, sea, or ice. Pebbles, sand, mud, and salts that have been dissolved in water can all be used to convey sediment.
Frost would be the most prevalent example of deposition. A solid-surface becomes covered in frost when water vapor from humid air or air containing water vapor settles on it.
Deposition can be seen in the form of water vapor condensing as frost on your lawn.
Hence, option A is correct.
To learn more about the deposition refer;
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