How many times is 1mole of oxygen atom heavier than 1mole of hydrogen atom​

Name 3 types of energy you see being used as you look around a classroom

Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?

Which statement is true about market economies? government goals drive business decisions. people have the freedom to choose their jobs. several are market economies vist around the world