The star Betelgeuse is 325 light-years away. If it were to explode in a supernova tonight, would we know? Explain your answer

Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big

The energy produced as a result of this flow of electrons from atom to atom is called

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2