Which was the characteristic of life after the oxygen revolution?

How many atoms are there in 5.70 mol of mg

Why is the melting of ice a physical change ?

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin