Drives comes from the Biological environment.The Incentive comes from the external environment.
The biological environment is termed as the natural biological environment. For example, plants and wild animals which affects life of human being.
External environment is composed of the outside factors which results in operation of business.
There are two types of external environment. For example, macro environment and micro environment.
Some factors like suppliers, financiers, marketing intermediaries, customers, and public per captions can affect a micro environment.
The valves prevent the backward flow of blood.
The unit of time based on the revolution of the Earth around the Sun is called a Year.
The unit of time based on the Earth spinning around completely once on its own axis is called a Day.