In paper chromatography what is used as the stationary phase

How do these cultures use the element of shape in very similar ways

So my science teacher said anything that makes noise can in a way make music, instruments make music, and mayonnaise makes sound. so i have a question, do not report. is mayonnaise a instrument?

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.