If the fish is being fried in a neighbouring home, we can smell it sitting in our own home. Name the process which brings this smell to us.
The particles of the aroma of hot cooked food mix with the particles of air spread from the kitchen, reach us and even farther away, in seconds. Due to high speed of particles and large space between them, gases show the property of diffusing very fast into other gases. Hence diffusion is the process which brings smell to us.