Three economic principles of natural resource management are

1)

opportunity cost; when you make a choice, you lost the opportunity to choose other things
2)

time preference; how fast you can wait for a return on your investment
3)

discount rate; how much you have to invest to get x dollars in the future
4)

all of the above
5)

none of the above

Solve the equation.8 - 2x = -8х + 14

Hurry on the map above, arrow 1 points to a region where most people are

Use your vocabulary words to complete the sentences below. australia and new zealand are in nature meaning they are located between temperate and tropical climates. oceania, on the other hand, has a tropical climate with numerous island chains, many of which are home to , which are islands made from coral. this entire region rests on the edges of plates, and therefore they are prone to earthquakes, volcanoes, and tsunamis. since most of the islands were formed from volcanoes, rock can be found everywhere.