Answer:
https://www.eartheclipse.com/pollution/primary-causes-of-air-pollution.html
Explanation:
The best answer to the question that is being presented above would be letter a. The poplar trees used by the company and its factories which are genetically engineered would be used for phytoremediation. They use poplar trees to replenish the nutrients lost around the factories.
The completed sentence with the correct answer is; How does the first sentence in the paragraph help to introduce the main idea. The correct answer is B.
It is neutrons for sure have a great day