Why are prices described as a no-cost alternative when allocating scarce resources?

These factors hinder environmental protection efforts in eastern europe.

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude.