If the Sun’s luminosity is 3.9 x 1026watts, and the luminosity of Proxima Centauri (Earth’s closest star) is 0.0006 Lsun what is that star’s luminosity in watts?

Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.