Why does a chemical equation need to be balanced to support the law of conservation of matter? O A. It has to show that atoms of a single element cannot form different compounds. B. It has to show how existing matter can be destroyed by a chemical reaction C. It has to show that atoms cannot be created from nothing. O D. It has to show that the total amount of matter increases over time. SUBMIT

A

Explanation:

. Antoine Lavoisier did careful experiments to discover the law of conservation of mass in chemical reactions.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs