You can invent any number of nonstandard units, but none of them is "best". It is best to use standard units, that is, the meter.
He did not INVENT it, he DISCOVEREDit.
Descartes did not invent polynomials.
He didn't invent mathematics.
Kilogram per cubic meter is the one that doesn't belong. Square meter is meter^2 and cubic meter is meter^3 but kilogram per cubic meter is a density
He didn't invent it. He didn't invent anything.
The parking meter
Isaac Newton did not invent the newton metre, it was named after and in honour of him.
In 1932
Mkae itt rainj trikck
He didn't. The newton unit is defined as a kilogram-meter per second squared, meaning it does not predate the invention of the kilogram, meter, and (scientifically defined) second. The international prototype kilogram was standardized in 1889, so the newton does not predate this year, at least.
You can invent any number of nonstandard units, but none of them is "best". It is best to use standard units, that is, the meter.
what did Obama invent
they invent cheese
The Romans invented or improved a long, long list of things, but you only asked for four, so here they are: Concrete, the Dome, Central Heating, the Taxi Meter.
Why did Ian Donald Invent The ultrasound machine and why did he invent it
you can invent if you really want you can invent by things that are not expensive..right?