Matching Pairs listening act unit 6Online version Listen carefully and match the text with the audios correctly. by Armando Jacobo 1 waste material or unwanted things that you throw away 2 is the introduction of contaminants into the natural environment that cause adverse change 3 is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution 4 It can occur in water bodies of any sizes, such as ponds, rivers, lakes or oceans, and can result in low fish reproduction 5 is the gradual heating of Earth's surface, oceans and atmosphere