What happens when warm moist air collides with cool dry air?

A vapor layer forms between them, so the two don't really collide.

Explanation:

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lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !