An environmental hazard which occurs slowly and unnoticed in the oil-producing region of the Niger Delta of Nigeria is? by Sunday | Jan 3 | Geography JAMB | 0 comments A. erosion B. pollution C. flood D. subsidence Correct Answer: Option B – pollution Users Also Read These:A major hazard to both human and aquatic life in…The environmental hazard that is most difficult to…Which of the following metals reacts slowly with cold water?A sample of air was bubbled into water. The PH of…Which of the following is not an environmental hazard?