EX19 Supply relevant supporting details to each of the following topic sentences and work out one reasonable conclusion for each of them 1. Global warming is one of the most pressing environmental Issues today. Reference 2. Plastic wastes are becoming a serious environmental problem ReferenceEx. 19 Supply relevant supporting details to each of the following topic sentences and work out one reasonable conclusion for each of them. 1. Global warming is one of the most pressing environmental issues today. 2. Plastic wastes are becoming a serious environmental problem. Reference Reference