Immediately After the Breakup of AT&T There Were 7 Regional

question 34

Short Answer

Immediately after the breakup of AT&T there were 7 Regional Bell Operating Companies (RBOCs).As of year-end 2009,there are ____________________ RBOCs.

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Definitions:

Aprotic Solvents

Solvents that lack an acidic hydrogen, meaning they cannot donate protons, and are typically used in organic synthesis.

3-Iodo-3-ethylpentane

An organic compound featuring an iodine atom on the third carbon of a pentane chain, which also has an ethyl group attached to the same carbon.

Sodium Methoxide

A strong base used in organic synthesis, prepared by reacting sodium with methanol.

Methanol

A simple alcohol compound, used as a solvent, fuel, and antifreeze, characterized by one hydroxyl group attached to a methyl group.