If you want to include a column in the output that is not a result of an aggregate calculation you must add it to what clause?

Css3 is the latest evolution of the cascading style sheets language and aims at extending css2.1. it brings a lot of new features and additions, like rounded corners, shadows, gradients, transitions or animations, as well as new layouts like multi-columns, flexible box or grid layouts.credits to medium for making this answer credits to google for copying this answercredits to me for putting this answer on your question

According to my brain it's a rational number because it can be put as a fraction

No because to small needs to be bigger

Stay away from the water, play football, go inside and play video games, draw, play on your phone too easy