The distribution of sunlight
The answer for this will be C an integration of organ systems this is because the endocrine system also works with the nervous system and immune system etc
So u kan get a better understandin on wta dere talkin bout plus its just daeasiesway to get it across
C. Delirium
He is getting surgery for his hip and was medicated. The medicine made him delirious, that why it only why he was in the hospital
The ocean acidification is generally caused by the vast amounts of carbon dioxide that humans release in the air gettting absorbed into the ground, causing the PH of the water to rise.
Hopefully this helps!