In this regard microorganisms within clouds and particulate dust plumes are likely to be significant.
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The sentences
The number of viruses in the atmosphere is uncertain but may be significant (Reche et al . 2018 ).
In this regard microorganisms within clouds and particulate dust plumes are likely to be significant.
The number of viruses in the atmosphere is uncertain but may be significant (Reche et al . 2018 ).