It is nitrogen dioxide.
And the o should be capitalized
Answer:
I think It is B sorry if I'm wrong
The answer is D) The battle of Chickamauga.
Why is the answer D)? well its D) because the Battle of Chickamauga was fought between September 18-20, 1863. It involved the second highest number of casualties in the war, behind only Gettysburg. It was a decisive victory for the Confederate troops under the command of General Braxton Bragg and resulted in the withdrawal of Union forces to Chattanooga.
It is true because the popes where in charge of the church