Which of these must have happened first? A.Another scientific group researched a similar idea to the one Dow Chemical and the Nature Conservancy proposed and decided that it would not pay off. B.The EPA required companies to rid the air of industrial pollutants, such as nitrogen oxide, emitted by factories. C.Research determined that a 1,000-acre (405-hectare) forest would remove 4 to 7 short tons (3.6 to 6.4 metric tons) of nitrogen oxide annually. D.After reading a notation that suggested that reforestation could improve air quality, Dow Chemical and the Nature Conservancy decided to research how the idea might work.
3 answers
D.After reading a notation that suggested that reforestation could improve air quality, Dow Chemical and the Nature Conservancy decided to research how the idea might work.
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Apologies for the confusion. Based on the information provided, the correct chronological order would be as follows:
1. After reading a notation that suggested that reforestation could improve air quality, Dow Chemical and the Nature Conservancy decided to research how the idea might work.
2. Another scientific group researched a similar idea to the one Dow Chemical and the Nature Conservancy proposed and decided that it would not pay off.
3. Research determined that a 1,000-acre (405-hectare) forest would remove 4 to 7 short tons (3.6 to 6.4 metric tons) of nitrogen oxide annually.
4. The EPA required companies to rid the air of industrial pollutants, such as nitrogen oxide, emitted by factories.
Therefore, option D must have happened first.
1. After reading a notation that suggested that reforestation could improve air quality, Dow Chemical and the Nature Conservancy decided to research how the idea might work.
2. Another scientific group researched a similar idea to the one Dow Chemical and the Nature Conservancy proposed and decided that it would not pay off.
3. Research determined that a 1,000-acre (405-hectare) forest would remove 4 to 7 short tons (3.6 to 6.4 metric tons) of nitrogen oxide annually.
4. The EPA required companies to rid the air of industrial pollutants, such as nitrogen oxide, emitted by factories.
Therefore, option D must have happened first.
1 answer