What is the basic problem that all economies must deal with?

The basic problem that every Economy must deal with is  SCARCITY which is very vital to deal with if an economy is to strive

Explanation:

The basic problem that all economies must deal with is scarcity otherwise called (demand and  supply)  scarcity is having limited resources and unlimited wants. to solve this problem Economies will have to make good allocation of resources to what to produce,distribute and consume and aim to get good returns on resources allocated to these in other to sustain the economy

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.