What is a difference between conduction and convection?

While both conduction and convection are means of transferring heat, the important difference is the medium through which the heat travels. Conduction occurs when heat is transferred through solid objects, like a bar.

Answer texture;

Overwritten or erased text files e-mails because since they are overwritten or erased they do not appear in an exam of the rom. in the rom you can find easily email that is not being erased or rewritten, as they are stored in memory, but if they are erased or overwritten those records cannot be accessed in a second moment.