Pollution is the addition of unwanted pollutants to the environment. The graph is labeled as aggregate emissions that show a decrease in the trend with a drop of -63%.
What are aggregate emissions?
Aggregate emissions are the release of the various pollutants that causes pollution. The six common pollutants are carbon monoxide, ozone, nitrogen oxide, lead, sulfur oxides, and particles.
The graph showing the aggregate emission shows that the pollution control methods are having a positive impact and can be seen by the decreasing line in the graph over the year 2014 with a percentage drop of -63%.
Therefore, the correct blanks are:
- option A. aggregate emissions
- option A. a decreasing
- option A. -63%
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