Many types of engineering problems depend on understanding issues of scale and boundary definition, and there may be multiple scales involved in understanding the operation of a particular system....

Many types of engineering problems depend on understanding

issues of scale and boundary definition, and there may be multiple

scales involved in understanding the

operation of a particular system.

What boundary of the “city of

Phoenix” is implied by:

a. Air freight transportation?

b. Financial networks?

c. Water delivery systems?

d.Sewage systems?

e. Immigration?