How do inspectors at air and seaports help protect local ecosystems? A. They make sure that scientists have proper passports.
B. They make sure that travelers don’t bring new species of plants or animals into an ecosystem.
C. They make sure that travelers are carrying plenty of water.
D. They make sure that planes and ships are on time.

Match each of the terms below with an example that fits the term. a. fungibility the production of gasoline b. inelasticity the switch from coffee to tea c. non-excludability the provision of national defense d. substitution the demand for cigarettes

The following table gives the map coordinates and the shipping loads for a set of cities that we wish to connect through a central hub.,(7,(4,(7,(6,(2,( 2,) for the location of the proposed new central hub, the coordinates should be near: x==) if the shipments from city a double, for the location of the proposed new central hub, the coordinates should be near: x==.926.865.017.21

What does the term "smalling up" mean, according to white? what ways have you or people you know had to "small up"? if you haven't, what ways could you?