Does diffusion take place in punice stone? Can we take this as an example of gas in solid?
Punic stone is used to disperse gas. Therefore it can be considered as diffusion of gas in solid.
Pumice stone is an ideal example of which type of the following?
In parasitic mode of nutrition, is the food obtained by diffusion or osmosis? If not then how does this process take place?
How does heat transfer takes place by convection? Can heat transfer by convection takes place in solids?