Question

The ______ present in the atmosphere serve as condensation nuclei.​

Answer 1

Answer:

The oxygen present

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Answer 2

Answer:

Here is your answer;

The CCNs present in the atmosphere service condensation nuclei.

[ CCNs : cloud condensation nuclei ]

Explanation:

cloud condensation nuclei or CCNs ( also known as cloud seeds) are small particles typically 0.2 m, or 1/100 the size of a cloud droplet on which water vapour condenses. in atmosphere the service presents itself as tiny solid or liquid particles called as CCNs.

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