The best answer to go with is b
B, because cellular respiration needs oxygen for the first stage.<span />
Found this on quizlet:
Because there were bad consequences
FAILURE.
-The collapse of the Radical Republican Party
-The lack of acceptance of former slaves by whites and their unwillingness to give African Americans the rights they deserved
-"national disgrace"
-Radical republicans having selfish intentions. Republican's wanted to exploit Southern labor by using blacks as a way to get more Republican votes from the South
<span>Braham.
.Kshatriya.
.Vaishyas.
</span><span>Shudra.
Untouchable/Dalit.
It was the lowest of lows, they lived in dirty conditions and did the gross jobs</span>
