C.Currency
Explanation.
A factor of production is a term used to describe the inputs used in the production of goods and services in order to make a profit.The factors of production are land,capital,labor and entrepreneurship.For example in a capitalist economy, the factors of production are controlled by private individuals for their own profits.
Sprains occur most frequently in the ankle, while strains most often occur in the lower back or the hamstring.
I think the answer to this is false its usually tooth decay and cavities is the result of tooth lose.