Proof that n(AUBUC)=n(A)+n(B)+n(C)–n(A∩B)-n(A∩ C)-n(B∩C)+n(A∩B∩C)​

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Which of the following units is not an official si unit

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?