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.
It would be A and D since confident and graceful describe the dancers
Not sure what you're trying to ask, but that statement is correct. Using the mass and volume of a substance, we can determine the density of a substance which is a physical property.
