In Some Developing Countries and in Some Former Communist Countries

question 268

Essay

In some developing countries and in some former Communist countries, people exchange their domestic currencies for foreign currencies such as the dollar in black markets. Why would this practice go on?

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Definitions:

Hydrothermal Vents

Openings in the seafloor that emit hot, mineral-rich water, supporting unique ecosystems.

Chemosynthetic Communities

Ecosystems that derive energy from chemical reactions, typically found in environments without sunlight, such as hydrothermal vents.

Euphotic Zone

The layer of the ocean where sunlight is sufficient for photosynthesis, supporting a majority of marine life.