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.
Her sexual behavior, smoking, and drinking are controllable risk factors.
She cannot control her age nor can she change the heredity she has.
Lol. what do u think? it would be b.