Yes. Myanmar, Liberia, and the USA have refused so far.
dont think strain has any units
Definitely. The imperial system is old and is only used in a couple of countries, including America. The metric system is more up-to-date and is easier to work with.
i dont have any idea in that question
i dont know The Muscular System.
The concept of precision is applicable to ANY system of units.
Any physical quantity, but in mostly obsolete units.
No she does not have any relatives from other countries.. :/ I dont think she has.. it would be cool if she had relatives from Sweden :D
== == I DONT KNOW, DO YOU BY ANY CHANCE???
they dont have any
SI units are standardized among most countries which allows measurements done in one to be valid and reproducible in any other participating country. Not all countries use there units, most noticeably the USA and Great Britain.
Yes. A metre, Kilogram and second for example.