To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events
<span>Italy began by its aggression by seizing Ethiopia</span>
Ir is a timeline that has multiple dates.
Hi!
The event that caused the United States to declare war and enter World War II was the attack on Pearl Harbor, by the Japanese.
The Mongol Dynasty, I believe. They were the dynasty that defeated Kublai Khan.
