Answer:
Copernican Revolution, shift in the field of astronomy from a geocentric understanding of the universe, centred around Earth, to a heliocentric understanding, centred around the Sun, as articulated by the Polish astronomer Nicolaus Copernicus in the 16th century.
Explanation:
https://www.britannica.com/topic/Copernican-Revolution
Federal Communications Commission is not an economic regulatory agency. Its main function is to regulate communication by radio, television, wire, and satellite across the United States of America.
<h3>What is the main function of an economic regulatory agency?</h3>
Economic regulatory agencies are independent in nature. They were established by the legislative act. They set some standards to protect the right of the consumer.
Economic regulatory agencies' primary functions are to protect consumer rights, manage monetary and fiscal policies, and regulate market operation.
Therefore the correct option is C.
Learn more about regulatory agencies here:
brainly.com/question/1203326
Answer: Harsh climate conditions that do not favor crop growth i.e a limited availability of rainfall (less than 250mm/year.)