a. respiration of living organisms
D. absorption of CO2 from the atmosphere by ocean water
One result is that the ovaries would be unable to produce oocytes (eggs) for fertilization hence the woman would be unable to conceive. Another is that the woman would have an abnormal menstrual cycle due to abnormalities in the production of estrogen and progesterone by the ovary.
Answer: It's not blocked
https://www.khanacademy.org/science/high-school-biology/hs-human-body-systems/hs-body-structure-and-homeostasis/a/tissues-organs-organ-systems
photosynthesis is the process that producers go through to make food using sunlight.