no
Question and rationale: The question is: Are Saturn's famous rings solid?
The rings are made mostly of dust and particles. The ring matter is constantly in orbital motion around Saturn.

no
Question and rationale: The question is: Do you have to put on glasses to read a QR code?
Glasses are used to improve one's vision capabilities. QR codes are not readable by humans and have to be read by machines or programs.

yes
Question and rationale:
The question is: Did Native American tribes teach Spaniards how to cultivate maize?
In 1492, Spanish settlers brought Maize back to Europe from America. Native Americans cultivated and bred the first maize from wild grasses.