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

1)

Opportunity Cost; when you make a choice, you lost the opportunity to choose other things

Explanation:

AS we know that natural resources are limited and we have to use these sources in proper well planned manner.Because natural sources are decreasing day by day due to more consumption.

Three principle of natural resources management are

1.Sovereignty

2.Scarcity

3.Efficiency

So the option option 1 is correct.

1)

Opportunity Cost; when you make a choice, you lost the opportunity to choose other things

can u put the chart up

a. i. only is correct.