What sort of objects does this refer to?
volts is the unit of votage while watts is the unit of power
The ratio between two different quantities is the rate.Usually, the second unit is a measure of time.
In satin weave construction, the letter D stands for the word denier. Denier is a unit of weight which measures the density of the fibers.
Volt
Volts
different between centimeter square centimeter is that cm is a unit of length and cm square is used for measuring area
an unknown quantity represented by a letter
A curie is a unit of measurement for radioactivity, while a gram is a unit of mass. There is no direct relationship between the two as they measure different properties.
A millimetre is a unit of length. A milligram is a unit of mass. The two units are therefore incompatible.
These are two different units. A square foot is a unit of area, and a cubic foot is a unit of volume. You cannot convert between them.
Gram is a unit of mass. Kilometer is a unit of distance. You cannot convert between these two dimensions.
Gauss is a unit of magnetic flux density, while joule is a unit of energy. There is no direct conversion between the two as they measure different physical quantities.