What was the name of the opera where grandma rosalie and friend martina met

How did shawn mendes change the world? (need this for biography homework❤)

Acurator decides to display an eighteenth-century painting in a windowless room with controlled temperature and humidity. pick the answer that best describes the reasons for her choice: (1 point) 1)the curator wants to make sure that the temperature and humidity are comfortable for visitors. 2)keeping the temperature and humidity at a set level will save money. 3)the ultraviolet rays will damage the painting by fading and flaking the paint. 4)ultraviolet rays will fade the paint pigment and high temperature and humidity will damage the paint.

What are gender symbols on the bathroom doors at school or other illustrated symbols that stand for some concept called