Answer:
Theory
Explanation:
In science, a broad idea that has been repeatedly tested and verified, giving scientists great confidence that it represents reality, is called a theory. A theory is a repeatedly test and proven idea by experimentation, theories are facts like the law of gravity, until disproved.
Answer:
Nazi leader Adolf Hitler violates the Treaty of Versailles and the Locarno Pact by sending German military forces into the Rhineland, a demilitarized zone along the Rhine River in western Germany.
Italy's Vesuvius has been a menacing figure since an eruption in 79 CE buried the city of Pompeii. Over the last 17,000 years, the volcano has gone through eight major explosive eruptions that were followed by large pyroclastic flows, according to the Smithsonian Institute/USGS Global Volcanic Program database.
