The answer is F my ig is @FatBoiBMX
Using dark print on a light background best demonstrates the design principle of contrast.
In a very basic definition, contrast is the degree of difference between two elements of your design.
Contrast has a great effect on readability and legibility as well, while low contrast not only reduces the difference between elements, it also decreases readability.
Actual Definition of Dialogue: “conversation between two or more people as a feature of a book, play, or movie.”
So, that would mean D would be the answer.
An airplane works buy having a trust to be able to take off ,weight to be able to glide in the air , lift so you can be able to go up higher in the air , and drag to be able to steer the plane. Hope that helps you !