The correct answer is: "the scientific method".
Galileo Galilei (1564 - 1642) was an Italian astronomer, physicist and engineer, known as the "father of observational astronomy" and "of the scientific method".
He conducted research on speed and velocity, gravity and free fall, the principle of relativity, etc. Through observational methods, he was able to describe the properties of such phenomena and to develop "laws" as a starting point for human understanding of them. He confronted the Roman Inquisition by defending the heliocentrism theory developed by Copernicus.
The event that made it apparent that Russia was desperately in need of reform is : A. the crimean war Crimean war happened in 1853 - 1856 between Russia against the alliance of france, british, sardinia, and ottoman empire , which caused by The will to take control of the christian holly land from the hand of the ottoman empire
Answer:
The explosion wiped out 90 percent of the city and immediately killed 80,000 people; tens of thousands more would later die of radiation exposure. Three days later, a second B-29 dropped another A-bomb on Nagasaki, killing an estimated 40,000 people.
