A majority of the worlds population tends to concentrate on coastal regions primarily for access to trade or business with other countries.
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.
Water pollution affects the entire biosphere – plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities.
Answer
When the Organism dies, while the body becomes part of the soil(Decomposition), there is still Carbon that is trapped in the organism, so eat time something new from the body gets exposed, Carbon is released.
Explanation:
There are pockets that are in your body that hold air, and when we die, and those areas that are holding the air pockets become exposed while the decomposition, the Carbon gets released out of the body and into the air.
I believe it is your first option
A.movement