Answer:
Disinfecting (or boiling)
Explanation:
They'd want to disinfect everything so that it is germless. Boiling is a possible answer as well because you can boil certain things to rid them of germs.
im not sure which one to answer, and i can hardly see the text.
Answer:
Low level (altitude) clouds that are wispy and made of ice crystals.
precipitation and surface runoff
Hail
Nitrogen
Stratosphere
Decreases
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