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9 March, 03:28

Select the correct answer.

Residence time is the amount of time in which a substance remains in a reservoir, such as the atmosphere. For example, the residence time of

carbon tetrafluoride (CF) in our atmosphere is more than 50,000 years. In contrast, carbon dioxide (CO2) has a residence time that is much

shorter. Which statement best explains how the residence time of a substance affects the atmosphere?

OA. Substances that have a longer residence time are more beneficial to the atmosphere.

OB. Substances that have a shorter residence time make up a smaller portion of the atmosphere.

OC. Substances that have a longer residence time will cycle faster through the atmosphere.

OD. Substances that have a shorter residence time do not stay in the atmosphere as long.

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  1. 9 March, 03:53
    0
    The correct answer is letter D

    Explanation: In this way the most correct is substances that have a shorter residence time do not stay in the atmosphere as long.
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