In the ocean, there are areas where there are very few living things. (Blank) is the term that described when this happens to a natural gas.
My answrer
Aquaculture
Am I right?
desertification
Desertification
Ok, I know the answer is pelgaic zone, but that's not one of the answer choices so would it be Natural?
Conservation, biodegradable, hydroelectic, point, inexhaustible, carbon footprint, desertfication, geothermal, decompose faster, natural, decompose slower, fossil fuels, ozone,nuclear, nonpoint, renewable, aquaculture, land reclamation, photochemical, acid rain..
But I can only use one word per question and I've used conservation, renewable, hydroelectric, fossil fuel, carbon footprint