Unit 6. Is the Earth in Danger? » Стр.55 (2)

Add the missing prefixes or suffixes. 1) Rivers over flowed their banks in the country. 2) Recycling is necessary to avoid environmental pollution. 3) Global warming is bringing climate changes. 4) An eruption began deep in a volcano. 5) We are having more problems, they are in creasing in number. 6) Human activity is one of the reasons causing natural disasters. 7). Irreresponsible attitude to nature contributes to terrible consequences. 8) If people have understanding of natural events, they can react effectively when disastersters occur.