D. Opportunity cost
Because in the end if you want something you have to work for it, no matter what. Everything generally costs money in this world
In economics, the term marginal<span> is used to indicate the change in some benefit or cost. when an additional unit is produced. For instance, the </span>marginal revenue<span> is the change in. total </span>revenue<span> when an additional unit is produced.</span>
Graff and Anderson meet with Ender seven days before the battle because they want to decide if he is really ready to accelerate the attack and participate in a real confrontation. Both play opposite roles so that Ender can understand two different points of view, on the one hand the need to lead everyone and make unquestionable decisions and on the other the not to stop listening to their team and stay in tune with them.
Answer:
A. sees changes in society as natural, inevitable, and even desirable. change as abrupt, even revolutionary, rather than incremental.
Explanation:
Conflict theory is a social perspective that focuses on the stratification of a harmful and dysfunctional society. There is inequality perpetuated in society and rich people got benefits from the expenses of the poor. Conflict theory was derived from Karl Marx's ideas. The founder of conflict theory was Wright Mills. Mills believed that society is a dynamic perspective in that changes occur. It is not stable but is dynamic. This theory has been criticized on social change and neglects its stability. Many of the critics think that society is the continuous change but point was that changes were not so much incremental or beneficial. Conflict theorists focus on constant change and try to develop a theory on the stability of society.
Answer:
Leap seconds
Explanation:
A leap second is a phenomenon in time science in which a one-second adjustment is applied at a certain period to a Coordinated Universal Time (UTC), for the purpose of keeping the year and a second synced.
However, due to the variation in Earth's rotation speed in response to climatic and geological events, UTC leap seconds are mostly irregularly spaced and unpredictable.
Hence, computer programmers and astronomers are in a dispute over LEAP SECONDS
