1. According to the text, what is theproper definition of the term “Pollution”? a) is a mixture of solid particles and gases in the air b) is the release of substances into bodies of water that makes water unsafe for human use and disrupts aquatic ecosystems c) is the degradation of natural environment by external substances introduced directly or indirectly 2. Is the given statement correct: Human health condition, ecosystem quality and aquatic and terrestrial biodiversity might be influenced and even modified by pollution? a) correct b) incorrect c) partly correct

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