A square foot?
it's called a beat
The basic unit of life is called a cell. Cells are the smallest structural and functional unit of living organisms.
The basic unit of an ionic compound is called a formula unit. It represents the simplest whole-number ratio of ions in the compound.
the basic unit of voltage is watts
The family.
Si
The basic unit money in Lebanon is called Lira in Arabic or pounds in English.
The basic functional unit of the environment is called an ecosystem. This term refers to a community of living organisms interacting with their physical environment. Ecosystems can vary in size and complexity, ranging from a small pond to a vast rainforest.
The answer is Degree.
degrees
The dollar is the basic unit of currency in Canada. It is called the Canadian dollar. The symbol is the $ or C$.
Just one. That is why it is called "basic".