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4 November, 11:31

Select the correct answer.

Mary is campaigning for improved air quality in her city. She is very concerned about carbon and methane outputs, but not phosphorous. Why is that?

A.

She thinks phosphorous makes a positive contribution to air quality.

B.

Phosphorous is most commonly found as phosphate rock.

C.

She doesn't know a lot about phosphorous.

D.

She doesn't consider phosphorous to be a greenhouse gas.

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Answers (1)
  1. 4 November, 13:07
    0
    The correct answer is option D, that is, she doesn't consider phosphorous to be a greenhouse gas.

    Explanation:

    Both methane and carbon dioxide are the potential greenhouse gases. They lead to heating of the lower part of the atmosphere by captivating sunlight, which further leads to change in the climate. Because of the greater boiling and melting temperatures of phosphorus, it is less common that it takes place as gas in room temperatures. Thus, phosphorus does not pose any threat in the change of climate.
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