The last three are the correct answers. I hope this helps you!
Answer:
Refer below.
Explanation:
1. The period after reconstruction,the most recent couple of many years of the nineteenth centurywas known as the Gilded age, a term set apart by Mark Twain in 1873.
2.Th Gilded age was the time of change in the economy, innovation, government and social traditions of America.
3.This change produced a cutting edge, national modern culture out of what had been little provincial.
4.Many new enterprise and business offered ascend to ultra-rich people.
5. During the Gilded age ,the well off gave private cash to enrich a huge number of schools, medical clinic, exhibition hall, academic,schools,opera houses, libraries ensemble, symphonies and good cause.
6.This period is additionally alluded to as "nadir of American race relations" when prejudice right now esteemed to have beenworse than in some other period after the American Civil War
Answer:
The amount of oxygen is to low
Explanation:
You also need plants on the surface for the one's who are not under water
