Which of the following is correct? A.
When the lungs contract, they fill with air from the atmosphere.

B.
When the heart contracts, it fills with air from the atmosphere.

C.
When the lungs expand, they fill with air from the atmosphere.

D.
When the heart expands, it fills with air from the atmosphere.

C.When the lungs expand, they fill with air from the atmosphere

Explanation:

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the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj

d

explanation:

it establishes america’s basic laws and fundamentals to its citizens.