It's usually an adverb. Ex. quickly, slowly, joyously..
Organic matter and nutrients causes an increase in aerobic algae and depletes oxygen from the water column. This causes the suffocation of fish and other aquatic organisms. Sulfate particles from acid rain can cause harm the health of marine life in the rivers and lakes it contaminates, and can result in mortality.
The conference held at Glasgow was held at the dominant theme of generation gap.
Generation Gap is identified as the gap between the oldest and the youngest generation.
This is a dominant topic and there are lots of differences between the two generations.
The conference held was mainly to address the issues which both generations face due to difference in their way of thinking and behaving.
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