The persuasive technique used in the example given above is emotional appeal because it is trying to connect with the consumers emotions by asking about the cellphone that they are using. By doing that, they are trying to tell the consumer that their product can give a better service than the current product that they own.
The second one is the answer
1)All living things are made of cells
2)All Cells are made from pre-existing cells
3)All cells come from one simple ancestor cell