Look at the four chemical reactions. Reaction 1: 4Na + O2 → 2Na2O
Reaction 2: 2NaCl → 2Na + Cl2
Reaction 3: CaCO3 → CaO + CO2
Reaction 4: 2KClO33 → 2KCl + 3O2

Which statement identifies the reaction that is different from the rest and explains correctly why it is different?

Reaction 2, because two ions are interchanged
Reaction 2, because two products are formed
Reaction 1, because a single product is formed
Reaction 1, because a single ion is replaced in a compound

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

i don't know people like to fight everywhere rip.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them