Barbara is converting 78°F to degrees Celsius. First, she subtracts 32 from 78. What is the next step? multiply 46 by 5/9 multiply 46 by 9/5 add 273 to 46 subtract 273 from 46

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.