Which group lists all the common nouns in this sentence? on the morning of august 6, 1945, an american bomber released an atomic bomb over hiroshima, a city of 34,300 people in japan. two thirds of the city was instantly destroyed by the blast.

It's easier to understand common nouns by contrasting them with proper nouns. Proper nouns are specific people, places, or things, while common nouns are more general people, places, or things. For example, "Hiroshima" is a proper noun, while "city" is a common noun. Based off this explanation, the common nouns in the above sentence are "morning," "bomber," "bomb," "city," "people," "city" (again), and "blast."

99, multiply all the sides