Arctic ocean has a little biodiversity as compared to the other oceans. It is completely covered with ice in winters and partly covered in other seasons. Due to very low temperature, the natural life is very limited in the ocean. Moreover, global warming is further damaging its ecosystem.
Answer:
It's the big flat continent at the bottom.
The answer I believe is oxygen
Photochemical smog is a chemical reaction of sunlight, nitrogen oxides and volatile organic compounds in the atmosphere and i believe it can be found in the ground level ozone.
I hope this helps! <span />
