A 42.0 g sample of calcium carbonate decomposes in a flame to produce carbon dioxide gas and 23.5 g of calcium oxide. How much carbon dioxide (in grams) was released in the decomposition?

answer: they produce more slow than unicellular organisms.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

it is b that is the answer.