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"

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

thinking it would be physical characteristics