Sentence Correction (SC) | Re: Salt deposits and moisture threaten to destroy the

This is a great questionrishabhdxt and here is my take on this.

The "as" you are referring and the "as" used here are fundamentally different in their usage.

Example: Nicole isas beautifulas the moon

AsAdjective As
As Adverb As

Also, IMO we can write the sentence in both the formats noun form and clause form. Hope this helps.
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