Respuesta :
Answer:
c adding a watermark they cannot remove it if they copy picture off the internet.
The correct option is C.
What does a watermark mean?
Watermarking is the process of superimposing a logo or piece of text atop a document or image file, and it's an important process when it comes to both the copyright protection and marketing of digital works.
What is a watermark on a photo?
A watermark is a logo, piece of text, or signature superimposed onto a photograph. Watermarks are typically transparent, so those viewing the image can still admire it. You can usually identify the photographer through the watermark, too.
Learn more about watermark ​here https://brainly.com/question/24206908
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