Which event led to the capture of richmond, the confederate capital?
a. the shenandoah valley campaign
b. the “march to the sea”
c. the capture of atlanta
d. the siege of petersburg

Option D is correct.

D. the Siege of Petersburg

General Ulysses S. Grant worked very hard unsuccessfully to conquer the town and then he was successful. This was a significant and very important event of the Civil War. Many soldiers died from this both sides.

So, the event that lead to the capture of Richmond and the Confederate capital is "The siege of Petersburg"

c. heat from the poles back down towards the equator.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation: