I think it’s A
Hopefully this helps!!
I can tell you that it is NOT B.
I got it wrong.
The Enlightenment brought an increasing interest in how societies are ordered.
During normal breathing, the brain is stimulated to breath with increasing acidity as a result of CO2 concentration from basic metabolic processes. The brain is quite selfish and only really wants to maintain it's pH which should be at a range of 7.3-7.45, and will not tolerate any decrease.
In patients who have a chronic respiratory disorder with things like COPD. The brain has become accustomed to excessive acidic content, and is now stimulated by the Hypoxic drive or by low oxygen content.
I think it is
<span>D. It takes place along an unraveled section of DNA</span>
