F is just random and some people are used to it, and then try to assign meaning to the random points. Why should the temperature of a horse have any relation with the weather?

Huh. The ones I’ve seen where usually 1cm³, which is pretty much exactly 1g.

Canada for the Atlantic

Tourism has been discouraged for a while, yet nothing is changing

A sugar cube is a gram. That’ll get you close enough.

Below 0 ice, above 0 no ice