The Thin, Sooty Iridium-Rich Layer Found at the End of the Permian

question 7

Short Answer

The thin, sooty iridium-rich layer found at the end of the Permian is an example of a __________ __________.

---

Definitions:

Protectionism

Economic policies and measures taken by a government to protect its domestic industries from foreign competition by imposing tariffs, quotas, or regulations.

Import Quota

A governmental limit on the quantity of a certain type of good that can be imported into a country, used to protect domestic industries.

Trade Protection

Measures implemented by countries to protect their domestic industries from foreign competition, such as tariffs and quotas.