Based on the information provided, the correct chronological order would be:
1. D. 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.
2. C. 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. B. The EPA required companies to rid the air of industrial pollutants, such as nitrogen oxide, emitted by factories.
4. A. 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.
Which of these must have happened first? A.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. B.The EPA required companies to rid the air of industrial pollutants, such as nitrogen oxide, emitted by factories. C.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. D.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 answers
what is the answer?
The correct chronological order is:
1. 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.
2. 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. The EPA required companies to rid the air of industrial pollutants, such as nitrogen oxide, emitted by factories.
4. 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.
Therefore, the correct answer is D. 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.
1. 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.
2. 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. The EPA required companies to rid the air of industrial pollutants, such as nitrogen oxide, emitted by factories.
4. 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.
Therefore, the correct answer is D. 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.
2 answers