B. Pine trees, this is the answer that was right after I took the test XD
<span>This is called erythema. Causes for this can include a fever, direct trauma, blushing, or ETHOL intake. This type of pigmentation can affect the face, the area in which trauma may have incurred, the sacrum, the shoulders, and other common sites for ulcers.</span>
Answer:
Option B
Explanation:
Option D is incorrect, as increased photosynthesis would increase oxygen supply present, not carbon dioxide supply.
Option C is incorrect, as increased decomposition would increase carbon dioxide released and oxygen present is reduced, not increased.
Option A is unlikely as if this were the case, increased oxygen levels would enable bluegill fish to survive as well.