Harrison is making a cake. He prepares some batter and places it into the oven. Harrison realize there’s a gas, carbon dioxide, coming out of the batter as it bakes. Which options are true about carbon dioxide? (Mark all that apply!) A. It is made of atoms that did not exist before
B. it is the dough changing states from solid to gas.
C. It is a new gas that forms during baking.
Please help, it’s my last test! I’ll mark as Brainliest!