Abiotic means non-living. So the correct answer is "the lack of oxygen in coastal waters"
Answer:
The increased temperature in this layer is due mainly to UV absorption by various chemical species, including ozone and molecular oxygen present in the stratosphere. Maximum heating takes place in the upper part of the stratosphere. Because of the stable air, pollutant mixing is suppressed within this layer.
Soil, sand, and Rock move downslope typically
Convergent is the first blank i don’t know the second i’m sorry.
