Here is the item again:
Deidre must watch her baby constantly, for Mathew likes to crawl on the
floor and pop whatever he finds into his mouth. Such as fuzz-covered candies,
dog biscuits, and dead bugs.
You chose to make the fragment a complete sentence, like this:
Deidre must watch her baby constantly, for Mathew likes to crawl on the
floor and pop whatever he finds into his mouth. For
example, he has eaten fuzz-covered candies, dog biscuits, and dead
bugs.
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