Which situation best illustrates the concept of scarcity? a class designing and selling calendars a cook learning to be an executive chef a friend buying a copy of a popular dvd a person buying a used car due to limited income

Scarcity in economics is a result of people always wanting for something new but having limited resources to satisfy or fulfill it.

An example of scarcity --  when a person would have wanted a new car but due to limited income, he can not buy it. He bought a used car instead.  

a person buying a used car due to limited income

Explanation:

took test

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

i believe it would influence their own way of understanding things. it shall be a foundation where they can draw or start an argument.   historians are also  scientists that  have their tools of analysis and expertise to unlock a variety of difficulties such as relationships of man, origin, politics, economy, and culture. based on facts and understanding on these areas, they may shade light to extract ideas and develop options to validate a hypothesis or debunk it.