Appliances and electronics are sold on the second floor.
The error in the possessive construction is that, instead of passenger's, it should be "passengers'". The apostrophe should be after the letter "s" because the noun is in the plural form. The correct sentence would be "Passengers' concerns about cell phone use on planes are justified."
Answer: reciprocal determinism
Explanation: i.e reciprocate . vice versa
To retaliate . Reciprocate
Answer:to embarrass the Confederate states