Answer:
He was the the Emperor of Russia
Explanation:
The emperor Alexander II was a man of weak character who possessed no steadfast views on politics.
It is nitrogen dioxide.
And the o should be capitalized
Something scarce is something that is not found easily. It is sometimes limited therefore it is RARE.
Your answer would be rare. :) Hope I helped. :D
Challenges that Italy faced after unification.
Following Italy unification in 1861 the nation suffered from economic imbalance between north and south, the absence of education systems, lack of raw materials and the great cost of unification itself. Italy faced this challenges but still made great development progress in the future years.