What is nanotechnology?​

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?

What is your fav video game currently: a) roblox b) fortnite c) apex legends d) pubg

Keto diet friendly smoothies with frozen blueberries/strawberries? i would like to make one but i don’t have a recipe. best recipe will receive brainliest. worth 15pts.