Question

choose the sentence that is capitalized correctly.

the mississippi river is the longest river in the united states.
the mississippi river is the longest river in the united states.
the mississippi river is the longest river in the united states.
the mississippi river is the longest river in the united states.

Explanation:

Analyze capitalization rules for each sentence option

• Option 1: "the mississippi river is the longest river in the united states."
• Errors: "the" at the start is lowercase; "mississippi river" (proper noun) is lowercase; "united states" (proper noun) is lowercase.

• Option 2: "The Mississippi River is the longest river in the United States."
• Correct: "The" is capitalized at the start; "Mississippi River" (specific geographic name) is capitalized; "United States" (country name) is capitalized; "river" (common noun) is lowercase.

• Option 3: "The mississippi river is the longest river in the United States."
• Errors: "mississippi river" is lowercase.

• Option 4: "The Mississippi river is the longest river in the united States."
• Errors: "river" in "Mississippi River" is lowercase; "united" in "United States" is lowercase.

Answer:

• (A) the mississippi river is the longest river in the united states.
• (B) The Mississippi River is the longest river in the United States. (Correct answer)
• (C) The mississippi river is the longest river in the United States.
• (D) The Mississippi river is the longest river in the united States.