Which of the following is not an economic characteristic of the united states and canada

The economies of the United States and Canada are highly integrated, a process that has been accelerated by the bilateral U.S.-Canada free trade agreement (FTA) of 1988 and the NAFTA of 1994. Both are affluent industrialized economies, with similar standards of living and industrial structure.

Explanation:

Nitrogen is a diatomic molecule in the VA family on the periodic table. Nitrogen has five valence electrons, so it needs three more valence electrons to complete its octet. A nitrogen atom can fill its octet by sharing three electrons with another nitrogen atom, forming three covalent bonds, a so-called triple bond.

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