Earth's atmosphere is 78% nitrogen, 21% oxygen, the rest 1 percent with very small percentages of other elements like Co2.
Answer:
because they need top quality product, this made there products more expensive and made them look professional
Explanation:
They must manage a lot of jobs and housing for many including citizens, immigrants, and refugees
The correct answer is letter D
Explanation: For the Union and Confederacy it was a difficult moment of the war, the future of them was not clear. They did not know if could win because of the Battle of Shiloh, and all the difficult moments in that battle.
When the Union fought Confederation and took control of New Orleans. It was an important moment, because they could take control of Mississippi the largest port of Confederacy.
