The introduction of materials that have negative impacts on the ecosystem is known as? by Sunday | Dec 25 | Geography JAMB | 0 comments A. pollution B. combustion C. transpiration D. evaporation Correct Answer: Option A – pollution Users Also Read These:Making negative comments about somebody's weight or…Which of the following soil fertility improvement…Which of the following factors have a negative…Which of the following is not a negative effect of…The introduction of materials that have negative…