How many atoms of Oxygen are there in CaSO₄?
How many atoms of Sulfur are there in CaSO₄?

Which statement is usually 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.

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.