a millimeter
Presuming its metric only measurements, 0mm-1mm
No
A centimetre, usually.
No a meterstick is a tool used for measuring..mass, volume, time, length, and temperature are all metric units
No. A meter is a unit of length, a meter stick is an actual device to measure it.
The smallest unit is a quark. I'm not sure what you mean by 'of classification'
If it is a molecular compound, the smallest unit is called a molecule. If it is an ionic compound, the smallest unit is called a formula unit.
Alyssa Carney is the smallest unit of mass.
A molecule is a compounds smallest unit
This smallest unit is the atom.
A cell is the smallest unit of an organism
Smallest unit of a compound is a molecule.