Hello Tesla,
You can put a hidden picture or text in a "details" that the student can open and close on demand. For more information, see https://www.w3schools.com/tags/tag_details.asp ↗.
You can put a hidden picture or text in a "details" that the student can open and close on demand. For more information, see https://www.w3schools.com/tags/tag_details.asp ↗.