Respuesta :
Answer:
The correct answer is letter "C": Media queries.
Explanation:
A media query is a rule or group of rules introduced in a sheet with style Cascading Style Sheet (CSS) to define specific properties for different mediums. For example, with a media query, we can specify the width and height so that it adapts to the frame of a printer without changing the original content.
Thus, Zach needs a media query to detect the approximate pixel size of the viewports.
The concept of responsive design that will help Zach get the required information is Media queries.
What is media query?
Media queries are known to be a key component of responsive web design. They are used by people to form a lot of layouts based on the size of the viewport.
A media query when used by Zach will help him to known the HTML/CSS functionality and it is one that will allows the content of a Web page to adjust to the kind of media that the page is being used in.
Learn more about media queries from
https://brainly.com/question/3653791